[epiphany/pgriffis/web-extension/content-script-send-message] WebExtensions: Implement message sending from Content Scripts




commit 87b1953ca0341ad0ddc21c36c40648d781e74939
Author: Patrick Griffis <pgriffis igalia com>
Date:   Sun Jun 5 19:24:00 2022 -0500

    WebExtensions: Implement message sending from Content Scripts
    
    This does a lot of refactoring but the gist is that our WebKit extensions
    now send messages to the WebView instead of the WebContext which simplified
    message handling and lets us easily handle content-script user messages.
    
    This fixes runtime.sendMessage() as well as the entire storage API.

 .../ephy-web-process-extension.c                   |   3 +-
 .../web-process-extension/ephy-webextension-api.c  |   3 +-
 .../ephy-webextension-common.c                     |  36 +++---
 .../ephy-webextension-common.h                     |   9 +-
 src/webextension/api/alarms.c                      |  14 +--
 src/webextension/api/alarms.h                      |   2 +-
 src/webextension/api/notifications.c               |   6 +-
 src/webextension/api/notifications.h               |   2 +-
 src/webextension/api/pageaction.c                  |  14 +--
 src/webextension/api/pageaction.h                  |   2 +-
 src/webextension/api/runtime.c                     |  20 ++--
 src/webextension/api/runtime.h                     |   2 +-
 src/webextension/api/storage.c                     |  12 +-
 src/webextension/api/storage.h                     |   2 +-
 src/webextension/api/tabs.c                        |  76 ++++++------
 src/webextension/api/tabs.h                        |   2 +-
 src/webextension/ephy-web-extension-manager.c      | 133 ++++++++++++++-------
 src/webextension/ephy-web-extension-manager.h      |   8 +-
 src/webextension/ephy-web-extension.h              |   4 +-
 19 files changed, 190 insertions(+), 160 deletions(-)
---
diff --git a/embed/web-process-extension/ephy-web-process-extension.c 
b/embed/web-process-extension/ephy-web-process-extension.c
index 99a388c1f..d0983555a 100644
--- a/embed/web-process-extension/ephy-web-process-extension.c
+++ b/embed/web-process-extension/ephy-web-process-extension.c
@@ -249,10 +249,9 @@ content_script_window_object_cleared_cb (WebKitScriptWorld *world,
   result = jsc_context_evaluate_with_source_uri (js_context, data, data_size, 
"resource:///org/gnome/epiphany-web-extension/js/webextensions-common.js", 1);
   g_clear_object (&result);
 
-  ephy_webextension_install_common_apis (extension->extension,
+  ephy_webextension_install_common_apis (page,
                                          js_context,
                                          guid,
-                                         webkit_web_page_get_id (page),
                                          translations);
 }
 
diff --git a/embed/web-process-extension/ephy-webextension-api.c 
b/embed/web-process-extension/ephy-webextension-api.c
index 2aa5e989a..6f097048b 100644
--- a/embed/web-process-extension/ephy-webextension-api.c
+++ b/embed/web-process-extension/ephy-webextension-api.c
@@ -201,10 +201,9 @@ window_object_cleared_cb (WebKitScriptWorld         *world,
   g_bytes_unref (bytes);
   g_clear_object (&result);
 
-  ephy_webextension_install_common_apis (extension->extension,
+  ephy_webextension_install_common_apis (page,
                                          js_context,
                                          extension->guid,
-                                         webkit_web_page_get_id (page),
                                          extension->translations);
 
   js_browser = jsc_context_get_value (js_context, "browser");
diff --git a/embed/web-process-extension/ephy-webextension-common.c 
b/embed/web-process-extension/ephy-webextension-common.c
index 9fd984cb5..5c07855ed 100644
--- a/embed/web-process-extension/ephy-webextension-common.c
+++ b/embed/web-process-extension/ephy-webextension-common.c
@@ -23,8 +23,8 @@
 #include <locale.h>
 
 typedef struct {
-  WebKitWebExtension *extension;
-  guint64 page_id;
+  WebKitWebPage *page;
+  const char *guid;
 } EphySendMessageData;
 
 typedef struct {
@@ -51,16 +51,16 @@ ephy_callback_data_new (JSCValue *resolve_callback,
 }
 
 static void
-on_send_message_finish (WebKitWebExtension *extension,
-                        GAsyncResult       *result,
-                        gpointer            user_data)
+on_send_message_finish (WebKitWebPage *page,
+                        GAsyncResult  *result,
+                        gpointer       user_data)
 {
   EphyCallbackData *callback_data = user_data;
   g_autoptr (GError) error = NULL;
   g_autoptr (WebKitUserMessage) response = NULL;
   g_autoptr (JSCValue) ret = NULL;
 
-  response = webkit_web_extension_send_message_to_context_finish (extension, result, &error);
+  response = webkit_web_page_send_message_to_view_finish (page, result, &error);
 
   if (error) {
     ret = jsc_value_function_call (callback_data->reject_callback, G_TYPE_STRING, error->message, 
G_TYPE_NONE);
@@ -92,8 +92,6 @@ ephy_send_message (const char *function_name,
                    gpointer    user_data)
 {
   EphySendMessageData *send_message_data = user_data;
-  WebKitWebExtension *extension = send_message_data->extension;
-  guint64 page_id = send_message_data->page_id;
   WebKitUserMessage *message;
   g_autofree char *args_json = NULL;
 
@@ -107,11 +105,11 @@ ephy_send_message (const char *function_name,
 
   args_json = jsc_value_to_json (function_args, 0);
   message = webkit_user_message_new (function_name,
-                                     g_variant_new ("(ts)", page_id, args_json));
+                                     g_variant_new ("(ss)", send_message_data->guid, args_json));
 
-  webkit_web_extension_send_message_to_context (extension, message, NULL,
-                                                (GAsyncReadyCallback)on_send_message_finish,
-                                                ephy_callback_data_new (resolve_callback, reject_callback));
+  webkit_web_page_send_message_to_view (send_message_data->page, message, NULL,
+                                        (GAsyncReadyCallback)on_send_message_finish,
+                                        ephy_callback_data_new (resolve_callback, reject_callback));
 }
 
 static char *
@@ -175,11 +173,10 @@ js_exception_handler (JSCContext   *context,
 }
 
 void
-ephy_webextension_install_common_apis (WebKitWebExtension *extension,
-                                       JSCContext         *js_context,
-                                       const char         *guid,
-                                       guint64             page_id,
-                                       JsonObject         *translations)
+ephy_webextension_install_common_apis (WebKitWebPage *page,
+                                       JSCContext    *js_context,
+                                       const char    *guid,
+                                       JsonObject    *translations)
 {
   g_autoptr (JSCValue) result = NULL;
   g_autoptr (JSCValue) js_browser = NULL;
@@ -233,8 +230,8 @@ ephy_webextension_install_common_apis (WebKitWebExtension *extension,
 
   /* global functions */
   send_message_data = g_new (EphySendMessageData, 1);
-  send_message_data->extension = extension;
-  send_message_data->page_id = page_id;
+  send_message_data->page = page;
+  send_message_data->guid = guid;
   js_function = jsc_value_new_function (js_context,
                                         NULL,
                                         G_CALLBACK (ephy_send_message),
@@ -247,5 +244,4 @@ ephy_webextension_install_common_apis (WebKitWebExtension *extension,
                                         JSC_TYPE_VALUE);
   jsc_context_set_value (js_context, "ephy_send_message", js_function);
   g_clear_object (&js_function);
-
 }
diff --git a/embed/web-process-extension/ephy-webextension-common.h 
b/embed/web-process-extension/ephy-webextension-common.h
index 586bc43d2..220838356 100644
--- a/embed/web-process-extension/ephy-webextension-common.h
+++ b/embed/web-process-extension/ephy-webextension-common.h
@@ -27,10 +27,9 @@
 
 G_BEGIN_DECLS
 
-void ephy_webextension_install_common_apis (WebKitWebExtension *extension,
-                                            JSCContext         *js_context,
-                                            const char         *guid,
-                                            guint64             page_id,
-                                            JsonObject         *translations);
+void ephy_webextension_install_common_apis (WebKitWebPage *page,
+                                            JSCContext    *js_context,
+                                            const char    *guid,
+                                            JsonObject    *translations);
 
 G_END_DECLS
diff --git a/src/webextension/api/alarms.c b/src/webextension/api/alarms.c
index 8924c1154..b1722a334 100644
--- a/src/webextension/api/alarms.c
+++ b/src/webextension/api/alarms.c
@@ -166,7 +166,7 @@ static char *
 alarms_handler_create (EphyWebExtension  *self,
                        char              *name,
                        JSCValue          *args,
-                       gint64             extension_page_id,
+                       WebKitWebView     *web_view,
                        GError           **error)
 {
   g_autoptr (JSCValue) alarm_name = NULL;
@@ -224,7 +224,7 @@ static char *
 alarms_handler_clear (EphyWebExtension  *self,
                       char              *name,
                       JSCValue          *args,
-                      gint64             extension_page_id,
+                      WebKitWebView     *web_view,
                       GError           **error)
 {
   GHashTable *alarms = get_alarms (self);
@@ -246,7 +246,7 @@ static char *
 alarms_handler_clear_all (EphyWebExtension  *self,
                           char              *name,
                           JSCValue          *args,
-                          gint64             extension_page_id,
+                          WebKitWebView     *web_view,
                           GError           **error)
 {
   GHashTable *alarms = get_alarms (self);
@@ -262,7 +262,7 @@ static char *
 alarms_handler_get (EphyWebExtension  *self,
                     char              *name,
                     JSCValue          *args,
-                    gint64             extension_page_id,
+                    WebKitWebView     *web_view,
                     GError           **error)
 {
   GHashTable *alarms = get_alarms (self);
@@ -283,7 +283,7 @@ static char *
 alarms_handler_get_all (EphyWebExtension  *self,
                         char              *name,
                         JSCValue          *args,
-                        gint64             extension_page_id,
+                        WebKitWebView     *web_view,
                         GError           **error)
 {
   GHashTable *alarms = get_alarms (self);
@@ -311,7 +311,7 @@ void
 ephy_web_extension_api_alarms_handler (EphyWebExtension *self,
                                        char             *name,
                                        JSCValue         *args,
-                                       gint64            extension_page_id,
+                                       WebKitWebView    *web_view,
                                        GTask            *task)
 {
   g_autoptr (GError) error = NULL;
@@ -328,7 +328,7 @@ ephy_web_extension_api_alarms_handler (EphyWebExtension *self,
     char *ret;
 
     if (g_strcmp0 (handler.name, name) == 0) {
-      ret = handler.execute (self, name, args, extension_page_id, &error);
+      ret = handler.execute (self, name, args, web_view, &error);
 
       if (error)
         g_task_return_error (task, g_steal_pointer (&error));
diff --git a/src/webextension/api/alarms.h b/src/webextension/api/alarms.h
index 7409aa43c..2114c95a3 100644
--- a/src/webextension/api/alarms.h
+++ b/src/webextension/api/alarms.h
@@ -30,7 +30,7 @@ G_BEGIN_DECLS
 void ephy_web_extension_api_alarms_handler (EphyWebExtension *self,
                                             char            *name,
                                             JSCValue        *value,
-                                            gint64           extension_page_id,
+                                            WebKitWebView   *web_view,
                                             GTask           *task);
 
 G_END_DECLS
diff --git a/src/webextension/api/notifications.c b/src/webextension/api/notifications.c
index 00b55bfb0..09f4f2332 100644
--- a/src/webextension/api/notifications.c
+++ b/src/webextension/api/notifications.c
@@ -29,7 +29,7 @@ static char *
 notifications_handler_create (EphyWebExtension  *self,
                               char              *name,
                               JSCValue          *args,
-                              gint64             extension_page_id,
+                              WebKitWebView     *web_view,
                               GError           **error)
 {
   g_autoptr (JSCValue) value = jsc_value_object_get_property_at_index (args, 0);
@@ -64,7 +64,7 @@ void
 ephy_web_extension_api_notifications_handler (EphyWebExtension *self,
                                               char             *name,
                                               JSCValue         *args,
-                                              gint64            extension_page_id,
+                                              WebKitWebView    *web_view,
                                               GTask            *task)
 {
   g_autoptr (GError) error = NULL;
@@ -75,7 +75,7 @@ ephy_web_extension_api_notifications_handler (EphyWebExtension *self,
     char *ret;
 
     if (g_strcmp0 (handler.name, name) == 0) {
-      ret = handler.execute (self, name, args, extension_page_id, &error);
+      ret = handler.execute (self, name, args, web_view, &error);
 
       if (error)
         g_task_return_error (task, g_steal_pointer (&error));
diff --git a/src/webextension/api/notifications.h b/src/webextension/api/notifications.h
index 0f456810e..c05e9a856 100644
--- a/src/webextension/api/notifications.h
+++ b/src/webextension/api/notifications.h
@@ -28,7 +28,7 @@ G_BEGIN_DECLS
 void ephy_web_extension_api_notifications_handler (EphyWebExtension *self,
                                                     char            *name,
                                                     JSCValue        *args,
-                                                    gint64           extension_page_id,
+                                                    WebKitWebView   *web_view,
                                                     GTask           *task);
 
 G_END_DECLS
diff --git a/src/webextension/api/pageaction.c b/src/webextension/api/pageaction.c
index 2fd5b335e..dc5d01e46 100644
--- a/src/webextension/api/pageaction.c
+++ b/src/webextension/api/pageaction.c
@@ -57,7 +57,7 @@ static char *
 pageaction_handler_seticon (EphyWebExtension  *self,
                             char              *name,
                             JSCValue          *args,
-                            gint64             extension_page_id,
+                            WebKitWebView     *web_view,
                             GError           **error)
 {
   GtkWidget *action;
@@ -83,7 +83,7 @@ static char *
 pageaction_handler_settitle (EphyWebExtension  *self,
                              char              *name,
                              JSCValue          *args,
-                             gint64             extension_page_id,
+                             WebKitWebView     *web_view,
                              GError           **error)
 {
   GtkWidget *action;
@@ -106,7 +106,7 @@ static char *
 pageaction_handler_gettitle (EphyWebExtension  *self,
                              char              *name,
                              JSCValue          *args,
-                             gint64             extension_page_id,
+                             WebKitWebView     *web_view,
                              GError           **error)
 {
   g_autoptr (JSCValue) value = jsc_value_object_get_property_at_index (args, 0);
@@ -128,7 +128,7 @@ static char *
 pageaction_handler_show (EphyWebExtension  *self,
                          char              *name,
                          JSCValue          *args,
-                         gint64             extension_page_id,
+                         WebKitWebView     *web_view,
                          GError           **error)
 {
   g_autoptr (JSCValue) value = jsc_value_object_get_property_at_index (args, 0);
@@ -149,7 +149,7 @@ static char *
 pageaction_handler_hide (EphyWebExtension  *self,
                          char              *name,
                          JSCValue          *args,
-                         gint64             extension_page_id,
+                         WebKitWebView     *web_view,
                          GError           **error)
 {
   g_autoptr (JSCValue) value = jsc_value_object_get_property_at_index (args, 0);
@@ -178,7 +178,7 @@ void
 ephy_web_extension_api_pageaction_handler (EphyWebExtension *self,
                                            char             *name,
                                            JSCValue         *args,
-                                           gint64            extension_page_id,
+                                           WebKitWebView    *web_view,
                                            GTask            *task)
 {
   g_autoptr (GError) error = NULL;
@@ -189,7 +189,7 @@ ephy_web_extension_api_pageaction_handler (EphyWebExtension *self,
     char *ret;
 
     if (g_strcmp0 (handler.name, name) == 0) {
-      ret = handler.execute (self, name, args, extension_page_id, &error);
+      ret = handler.execute (self, name, args, web_view, &error);
 
       if (error)
         g_task_return_error (task, g_steal_pointer (&error));
diff --git a/src/webextension/api/pageaction.h b/src/webextension/api/pageaction.h
index 1830339da..9dffb1d1c 100644
--- a/src/webextension/api/pageaction.h
+++ b/src/webextension/api/pageaction.h
@@ -28,7 +28,7 @@ G_BEGIN_DECLS
 void ephy_web_extension_api_pageaction_handler (EphyWebExtension *self,
                                                  char            *name,
                                                  JSCValue        *args,
-                                                 gint64           extension_page_id,
+                                                 WebKitWebView   *web_view,
                                                  GTask           *task);
 
 G_END_DECLS
diff --git a/src/webextension/api/runtime.c b/src/webextension/api/runtime.c
index 159d96864..19438c034 100644
--- a/src/webextension/api/runtime.c
+++ b/src/webextension/api/runtime.c
@@ -31,7 +31,7 @@ static char *
 runtime_handler_get_browser_info (EphyWebExtension  *self,
                                   char              *name,
                                   JSCValue          *args,
-                                  gint64             extension_page_id,
+                                  WebKitWebView     *web_view,
                                   GError           **error)
 {
   g_autoptr (JsonBuilder) builder = json_builder_new ();
@@ -60,12 +60,10 @@ is_empty_object (JSCValue *value)
 
 static char *
 create_sender_object (EphyWebExtension *web_extension,
-                      gint64            page_id)
+                      WebKitWebView    *web_view)
 {
   g_autoptr (JsonNode) node = json_node_init_object (json_node_alloc (), json_object_new ());
   JsonObject *obj = json_node_get_object (node);
-  EphyWebExtensionManager *manager = ephy_web_extension_manager_get_default ();
-  WebKitWebView *web_view = ephy_web_extension_manager_get_web_view_for_page_id (manager, web_extension, 
page_id);
 
   json_object_set_string_member (obj, "id", ephy_web_extension_get_guid (web_extension));
   if (web_view)
@@ -78,7 +76,7 @@ static void
 runtime_handler_send_message (EphyWebExtension *self,
                               char             *name,
                               JSCValue         *args,
-                              gint64            extension_page_id,
+                              WebKitWebView    *web_view,
                               GTask            *task)
 {
   EphyWebExtensionManager *manager = ephy_web_extension_manager_get_default ();
@@ -110,8 +108,8 @@ runtime_handler_send_message (EphyWebExtension *self,
   g_message ("Sending message with %s", json);
   ephy_web_extension_manager_emit_in_extension_views_with_reply (manager, self, "runtime.onMessage",
                                                                  json,
-                                                                 extension_page_id,
-                                                                 create_sender_object (self, 
extension_page_id),
+                                                                 web_view,
+                                                                 create_sender_object (self, web_view),
                                                                  task);
 
   return;
@@ -121,7 +119,7 @@ static char *
 runtime_handler_open_options_page (EphyWebExtension  *self,
                                    char              *name,
                                    JSCValue          *args,
-                                   gint64             extension_page_id,
+                                   WebKitWebView     *web_view,
                                    GError           **error)
 {
   const char *data = ephy_web_extension_get_option_ui_page (self);
@@ -157,7 +155,7 @@ void
 ephy_web_extension_api_runtime_handler (EphyWebExtension *self,
                                         char             *name,
                                         JSCValue         *args,
-                                        gint64            extension_page_id,
+                                        WebKitWebView    *web_view,
                                         GTask            *task)
 {
   g_autoptr (GError) error = NULL;
@@ -168,7 +166,7 @@ ephy_web_extension_api_runtime_handler (EphyWebExtension *self,
     char *ret;
 
     if (g_strcmp0 (handler.name, name) == 0) {
-      ret = handler.execute (self, name, args, extension_page_id, &error);
+      ret = handler.execute (self, name, args, web_view, &error);
 
       if (error)
         g_task_return_error (task, g_steal_pointer (&error));
@@ -183,7 +181,7 @@ ephy_web_extension_api_runtime_handler (EphyWebExtension *self,
     EphyWebExtensionAsyncApiHandler handler = runtime_async_handlers[idx];
 
     if (g_strcmp0 (handler.name, name) == 0) {
-      handler.execute (self, name, args, extension_page_id, task);
+      handler.execute (self, name, args, web_view, task);
       return;
     }
   }
diff --git a/src/webextension/api/runtime.h b/src/webextension/api/runtime.h
index 7ab12e61b..ffce31286 100644
--- a/src/webextension/api/runtime.h
+++ b/src/webextension/api/runtime.h
@@ -28,7 +28,7 @@ G_BEGIN_DECLS
 void ephy_web_extension_api_runtime_handler (EphyWebExtension *self,
                                               char            *name,
                                               JSCValue        *args,
-                                              gint64           extension_page_id,
+                                              WebKitWebView   *web_view,
                                               GTask           *task);
 
 G_END_DECLS
diff --git a/src/webextension/api/storage.c b/src/webextension/api/storage.c
index 3f43e87f1..04ead21fd 100644
--- a/src/webextension/api/storage.c
+++ b/src/webextension/api/storage.c
@@ -61,7 +61,7 @@ static char *
 storage_handler_local_set (EphyWebExtension  *self,
                            char              *name,
                            JSCValue          *args,
-                           gint64             extension_page_id,
+                           WebKitWebView     *web_view,
                            GError           **error)
 {
   JsonNode *local_storage = ephy_web_extension_get_local_storage (self);
@@ -90,7 +90,7 @@ static char *
 storage_handler_local_get (EphyWebExtension  *self,
                            char              *name,
                            JSCValue          *args,
-                           gint64             extension_page_id,
+                           WebKitWebView     *web_view,
                            GError           **error)
 {
   JsonNode *local_storage = ephy_web_extension_get_local_storage (self);
@@ -150,7 +150,7 @@ static char *
 storage_handler_local_remove (EphyWebExtension  *self,
                               char              *name,
                               JSCValue          *args,
-                              gint64             extension_page_id,
+                              WebKitWebView     *web_view,
                               GError           **error)
 {
   JsonNode *local_storage = ephy_web_extension_get_local_storage (self);
@@ -180,7 +180,7 @@ static char *
 storage_handler_local_clear (EphyWebExtension  *self,
                              char              *name,
                              JSCValue          *args,
-                             gint64             extension_page_id,
+                             WebKitWebView     *web_view,
                              GError           **error)
 {
   ephy_web_extension_clear_local_storage (self);
@@ -199,7 +199,7 @@ void
 ephy_web_extension_api_storage_handler (EphyWebExtension *self,
                                         char             *name,
                                         JSCValue         *args,
-                                        gint64            extension_page_id,
+                                        WebKitWebView    *web_view,
                                         GTask            *task)
 {
   g_autoptr (GError) error = NULL;
@@ -217,7 +217,7 @@ ephy_web_extension_api_storage_handler (EphyWebExtension *self,
     char *ret;
 
     if (g_strcmp0 (handler.name, name) == 0) {
-      ret = handler.execute (self, name, args, extension_page_id, &error);
+      ret = handler.execute (self, name, args, web_view, &error);
 
       if (error)
         g_task_return_error (task, g_steal_pointer (&error));
diff --git a/src/webextension/api/storage.h b/src/webextension/api/storage.h
index 3c8e10e8a..f905613c3 100644
--- a/src/webextension/api/storage.h
+++ b/src/webextension/api/storage.h
@@ -31,7 +31,7 @@ G_BEGIN_DECLS
 void ephy_web_extension_api_storage_handler (EphyWebExtension *self,
                                               char            *name,
                                               JSCValue        *value,
-                                              gint64           extension_page_id,
+                                              WebKitWebView   *web_view,
                                               GTask           *task);
 
 G_END_DECLS
diff --git a/src/webextension/api/tabs.c b/src/webextension/api/tabs.c
index 7d857e607..60438323a 100644
--- a/src/webextension/api/tabs.c
+++ b/src/webextension/api/tabs.c
@@ -196,7 +196,7 @@ static char *
 tabs_handler_query (EphyWebExtension  *self,
                     char              *name,
                     JSCValue          *args,
-                    gint64             extension_page_id,
+                    WebKitWebView     *web_view,
                     GError           **error)
 {
   g_autoptr (JsonBuilder) builder = json_builder_new ();
@@ -274,7 +274,7 @@ static char *
 tabs_handler_insert_css (EphyWebExtension  *self,
                          char              *name,
                          JSCValue          *args,
-                         gint64             extension_page_id,
+                         WebKitWebView     *web_view,
                          GError           **error)
 {
   EphyShell *shell = ephy_shell_get_default ();
@@ -329,7 +329,7 @@ static char *
 tabs_handler_remove_css (EphyWebExtension  *self,
                          char              *name,
                          JSCValue          *args,
-                         gint64             extension_page_id,
+                         WebKitWebView     *web_view,
                          GError           **error)
 {
   EphyShell *shell = ephy_shell_get_default ();
@@ -383,7 +383,7 @@ static char *
 tabs_handler_get (EphyWebExtension  *self,
                   char              *name,
                   JSCValue          *args,
-                  gint64             extension_page_id,
+                  WebKitWebView     *web_view,
                   GError           **error)
 {
   EphyShell *shell = ephy_shell_get_default ();
@@ -437,7 +437,7 @@ static void
 tabs_handler_execute_script (EphyWebExtension *self,
                              char             *name,
                              JSCValue         *args,
-                             gint64            extension_page_id,
+                             WebKitWebView    *web_view,
                              GTask            *task)
 {
   g_autoptr (JSCValue) code_value = NULL;
@@ -500,7 +500,7 @@ static char *
 tabs_handler_send_message (EphyWebExtension  *self,
                            char              *name,
                            JSCValue          *args,
-                           gint64             extension_page_id,
+                           WebKitWebView     *web_view,
                            GError           **error)
 {
   g_autoptr (JSCValue) tab_id_value = NULL;
@@ -585,13 +585,13 @@ static char *
 tabs_handler_create (EphyWebExtension  *self,
                      char              *name,
                      JSCValue          *args,
-                     gint64             extension_page_id,
+                     WebKitWebView     *web_view,
                      GError           **error)
 {
   EphyShell *shell = ephy_shell_get_default ();
   EphyEmbed *embed;
   EphyWindow *parent_window;
-  EphyWebView *web_view;
+  EphyWebView *new_web_view;
   g_autoptr (JSCValue) create_properties = NULL;
   g_autofree char *url = NULL;
   EphyNewTabFlags new_tab_flags = 0;
@@ -615,7 +615,7 @@ tabs_handler_create (EphyWebExtension  *self,
 
   parent_window = get_window_by_id (shell, get_number_property (create_properties, "windowId"));
   embed = ephy_shell_new_tab (shell, parent_window, NULL, new_tab_flags);
-  web_view = ephy_embed_get_web_view (embed);
+  new_web_view = ephy_embed_get_web_view (embed);
 
   if (url && get_boolean_property (create_properties, "openInReaderMode", FALSE)) {
     char *reader_url = g_strconcat (EPHY_READER_SCHEME, ":", url, NULL);
@@ -624,13 +624,13 @@ tabs_handler_create (EphyWebExtension  *self,
   }
 
   if (url)
-    ephy_web_view_load_url (web_view, url);
+    ephy_web_view_load_url (new_web_view, url);
   else
-    ephy_web_view_load_new_tab_page (web_view);
+    ephy_web_view_load_new_tab_page (new_web_view);
 
   builder = json_builder_new ();
-  add_web_view_to_json (builder, parent_window, web_view,
-                        ephy_web_extension_has_tab_or_host_permission (self, web_view, TRUE));
+  add_web_view_to_json (builder, parent_window, new_web_view,
+                        ephy_web_extension_has_tab_or_host_permission (self, new_web_view, TRUE));
   root = json_builder_get_root (builder);
   return json_to_string (root, FALSE);
 }
@@ -639,7 +639,7 @@ static char *
 tabs_handler_update (EphyWebExtension  *self,
                      char              *name,
                      JSCValue          *args,
-                     gint64             extension_page_id,
+                     WebKitWebView     *web_view,
                      GError           **error)
 {
   EphyShell *shell = ephy_shell_get_default ();
@@ -648,7 +648,7 @@ tabs_handler_update (EphyWebExtension  *self,
   g_autofree char *new_url = NULL;
   g_autoptr (JsonBuilder) builder = NULL;
   g_autoptr (JsonNode) root = NULL;
-  WebKitWebView *web_view;
+  WebKitWebView *target_web_view;
   EphyWindow *parent_window;
   int tab_id = -1;
   int muted;
@@ -669,13 +669,13 @@ tabs_handler_update (EphyWebExtension  *self,
   }
 
   if (tab_id >= 0)
-    web_view = get_web_view_for_tab_id (shell, tab_id, &parent_window);
+    target_web_view = get_web_view_for_tab_id (shell, tab_id, &parent_window);
   else {
-    web_view = WEBKIT_WEB_VIEW (ephy_shell_get_active_web_view (shell));
+    target_web_view = WEBKIT_WEB_VIEW (ephy_shell_get_active_web_view (shell));
     parent_window = EPHY_WINDOW (gtk_application_get_active_window (GTK_APPLICATION (shell)));
   }
 
-  if (!web_view) {
+  if (!target_web_view) {
     g_set_error (error, WEB_EXTENSION_ERROR, WEB_EXTENSION_ERROR_INVALID_ARGUMENT, "tabs.update(): Failed to 
find tabId %d.", tab_id);
     return NULL;
   }
@@ -688,14 +688,14 @@ tabs_handler_update (EphyWebExtension  *self,
 
   muted = get_boolean_property (update_properties, "muted", VALUE_UNSET);
   if (muted != VALUE_UNSET)
-    webkit_web_view_set_is_muted (web_view, muted);
+    webkit_web_view_set_is_muted (target_web_view, muted);
 
   if (new_url)
-    webkit_web_view_load_uri (web_view, new_url);
+    webkit_web_view_load_uri (target_web_view, new_url);
 
   builder = json_builder_new ();
-  add_web_view_to_json (builder, parent_window, EPHY_WEB_VIEW (web_view),
-                        ephy_web_extension_has_tab_or_host_permission (self, EPHY_WEB_VIEW (web_view), 
TRUE));
+  add_web_view_to_json (builder, parent_window, EPHY_WEB_VIEW (target_web_view),
+                        ephy_web_extension_has_tab_or_host_permission (self, EPHY_WEB_VIEW 
(target_web_view), TRUE));
   root = json_builder_get_root (builder);
   return json_to_string (root, FALSE);
 }
@@ -720,7 +720,7 @@ static char *
 tabs_handler_remove (EphyWebExtension  *self,
                      char              *name,
                      JSCValue          *args,
-                     gint64             extension_page_id,
+                     WebKitWebView     *web_view,
                      GError           **error)
 {
   EphyShell *shell = ephy_shell_get_default ();
@@ -756,13 +756,13 @@ static char *
 tabs_handler_set_zoom (EphyWebExtension  *self,
                        char              *name,
                        JSCValue          *args,
-                       gint64             extension_page_id,
+                       WebKitWebView     *web_view,
                        GError           **error)
 {
   EphyShell *shell = ephy_shell_get_default ();
   g_autoptr (JSCValue) zoom_level_value = NULL;
   g_autoptr (JSCValue) tab_id_value = NULL;
-  WebKitWebView *web_view;
+  WebKitWebView *target_web_view;
   int tab_id = -1;
   double zoom_level;
 
@@ -788,16 +788,16 @@ tabs_handler_set_zoom (EphyWebExtension  *self,
   }
 
   if (tab_id >= 0)
-    web_view = get_web_view_for_tab_id (shell, tab_id, NULL);
+    target_web_view = get_web_view_for_tab_id (shell, tab_id, NULL);
   else
-    web_view = WEBKIT_WEB_VIEW (ephy_shell_get_active_web_view (shell));
+    target_web_view = WEBKIT_WEB_VIEW (ephy_shell_get_active_web_view (shell));
 
-  if (!web_view) {
+  if (!target_web_view) {
     g_set_error (error, WEB_EXTENSION_ERROR, WEB_EXTENSION_ERROR_INVALID_ARGUMENT, "tabs.setZoom(): Failed 
to find tabId %d.", tab_id);
     return NULL;
   }
 
-  webkit_web_view_set_zoom_level (web_view, jsc_value_to_double (zoom_level_value));
+  webkit_web_view_set_zoom_level (target_web_view, jsc_value_to_double (zoom_level_value));
   return NULL;
 }
 
@@ -805,12 +805,12 @@ static char *
 tabs_handler_get_zoom (EphyWebExtension  *self,
                        char              *name,
                        JSCValue          *args,
-                       gint64             extension_page_id,
+                       WebKitWebView     *web_view,
                        GError           **error)
 {
   EphyShell *shell = ephy_shell_get_default ();
   g_autoptr (JSCValue) tab_id_value = NULL;
-  WebKitWebView *web_view;
+  WebKitWebView *target_web_view;
   int tab_id = -1;
 
   tab_id_value = jsc_value_object_get_property_at_index (args, 0);
@@ -818,16 +818,16 @@ tabs_handler_get_zoom (EphyWebExtension  *self,
     tab_id = jsc_value_to_int32 (tab_id_value);
 
   if (tab_id >= 0)
-    web_view = get_web_view_for_tab_id (shell, tab_id, NULL);
+    target_web_view = get_web_view_for_tab_id (shell, tab_id, NULL);
   else
-    web_view = WEBKIT_WEB_VIEW (ephy_shell_get_active_web_view (shell));
+    target_web_view = WEBKIT_WEB_VIEW (ephy_shell_get_active_web_view (shell));
 
-  if (!web_view) {
+  if (!target_web_view) {
     g_set_error (error, WEB_EXTENSION_ERROR, WEB_EXTENSION_ERROR_INVALID_ARGUMENT, "tabs.getZoom(): Failed 
to find tabId %d.", tab_id);
     return NULL;
   }
 
-  return g_strdup_printf ("%f", webkit_web_view_get_zoom_level (web_view));
+  return g_strdup_printf ("%f", webkit_web_view_get_zoom_level (target_web_view));
 }
 
 static EphyWebExtensionSyncApiHandler tabs_sync_handlers[] = {
@@ -851,7 +851,7 @@ void
 ephy_web_extension_api_tabs_handler (EphyWebExtension *self,
                                      char             *name,
                                      JSCValue         *args,
-                                     gint64            extension_page_id,
+                                     WebKitWebView    *web_view,
                                      GTask            *task)
 {
   g_autoptr (GError) error = NULL;
@@ -861,7 +861,7 @@ ephy_web_extension_api_tabs_handler (EphyWebExtension *self,
     char *ret;
 
     if (g_strcmp0 (handler.name, name) == 0) {
-      ret = handler.execute (self, name, args, extension_page_id, &error);
+      ret = handler.execute (self, name, args, web_view, &error);
 
       if (error)
         g_task_return_error (task, g_steal_pointer (&error));
@@ -876,7 +876,7 @@ ephy_web_extension_api_tabs_handler (EphyWebExtension *self,
     EphyWebExtensionAsyncApiHandler handler = tab_async_handlers[idx];
 
     if (g_strcmp0 (handler.name, name) == 0) {
-      handler.execute (self, name, args, extension_page_id, task);
+      handler.execute (self, name, args, web_view, task);
       return;
     }
   }
diff --git a/src/webextension/api/tabs.h b/src/webextension/api/tabs.h
index 367857ace..da7ce1e62 100644
--- a/src/webextension/api/tabs.h
+++ b/src/webextension/api/tabs.h
@@ -30,7 +30,7 @@ G_BEGIN_DECLS
 void ephy_web_extension_api_tabs_handler (EphyWebExtension *self,
                                           char             *name,
                                           JSCValue         *value,
-                                          gint64            extension_page_id,
+                                          WebKitWebView    *web_view,
                                           GTask            *task);
 
 G_END_DECLS
diff --git a/src/webextension/ephy-web-extension-manager.c b/src/webextension/ephy-web-extension-manager.c
index 37d896e70..47571e784 100644
--- a/src/webextension/ephy-web-extension-manager.c
+++ b/src/webextension/ephy-web-extension-manager.c
@@ -509,19 +509,19 @@ on_web_extension_api_handler_finish (EphyWebExtension *web_extension,
 }
 
 static gboolean
-ephy_web_extension_handle_user_message (WebKitWebContext  *context,
-                                        WebKitUserMessage *message,
-                                        gpointer           user_data)
+extension_view_handle_user_message (WebKitWebView     *web_view,
+                                    WebKitUserMessage *message,
+                                    gpointer           user_data)
 {
   EphyWebExtension *web_extension = user_data;
   g_autoptr (JSCContext) js_context = NULL;
   g_autoptr (JSCValue) args = NULL;
   const char *name = webkit_user_message_get_name (message);
   g_auto (GStrv) split = NULL;
-  guint64 page_id;
+  const char *guid;
   const char *json_args;
 
-  g_variant_get (webkit_user_message_get_parameters (message), "(t&s)", &page_id, &json_args);
+  g_variant_get (webkit_user_message_get_parameters (message), "(&s&s)", &guid, &json_args);
 
   js_context = jsc_context_new ();
   args = jsc_value_new_from_json (js_context, json_args);
@@ -550,7 +550,7 @@ ephy_web_extension_handle_user_message (WebKitWebContext  *context,
       GTask *task = g_task_new (web_extension, NULL, 
(GAsyncReadyCallback)on_web_extension_api_handler_finish, NULL);
       g_task_set_task_data (task, api_handler_data_new (message, args), 
(GDestroyNotify)api_handler_data_free);
 
-      handler.execute (web_extension, split[1], args, page_id, task);
+      handler.execute (web_extension, split[1], args, web_view, task);
       return TRUE;
     }
   }
@@ -560,6 +560,66 @@ ephy_web_extension_handle_user_message (WebKitWebContext  *context,
   return TRUE;
 }
 
+static gboolean
+content_scripts_handle_user_message (WebKitWebView     *web_view,
+                                     WebKitUserMessage *message,
+                                     gpointer           user_data)
+{
+  EphyWebExtension *web_extension = user_data;
+  g_autoptr (JSCContext) js_context = NULL;
+  g_autoptr (JSCValue) args = NULL;
+  const char *name = webkit_user_message_get_name (message);
+  g_auto (GStrv) split = NULL;
+  const char *json_args;
+  const char *extension_guid;
+  GTask *task;
+
+  g_variant_get (webkit_user_message_get_parameters (message), "(&s&s)", &extension_guid, &json_args);
+
+  /* Multiple extensions can send user-messages from the same web-view, so only the target one handles this. 
*/
+  if (strcmp (extension_guid, ephy_web_extension_get_guid (web_extension)) != 0)
+    return FALSE;
+
+  js_context = jsc_context_new ();
+  args = jsc_value_new_from_json (js_context, json_args);
+
+  LOG ("%s(): Called for %s, function %s (%s)\n", __FUNCTION__, ephy_web_extension_get_name (web_extension), 
name, json_args);
+
+  /* Private API for message replies handled by the manager. */
+  if (strcmp (name, "runtime._sendMessageReply") == 0) {
+    WebKitUserMessage *reply = webkit_user_message_new ("", g_variant_new_string (""));
+    handle_message_reply (web_extension, args);
+    webkit_user_message_send_reply (message, reply);
+    return TRUE;
+  }
+
+  split = g_strsplit (name, ".", 2);
+  if (g_strv_length (split) != 2) {
+    respond_with_error (message, "Invalid function name");
+    return TRUE;
+  }
+
+  /* Content Scripts are very limited in their API access compared to extension views so we handle them 
individually. */
+  if (strcmp (split[0], "storage") == 0) {
+    task = g_task_new (web_extension, NULL, (GAsyncReadyCallback)on_web_extension_api_handler_finish, NULL);
+    g_task_set_task_data (task, api_handler_data_new (message, args), (GDestroyNotify)api_handler_data_free);
+
+    ephy_web_extension_api_storage_handler (web_extension, split[1], args, web_view, task);
+    return TRUE;
+  }
+
+  if (strcmp (name, "runtime.sendMessage") == 0) {
+    task = g_task_new (web_extension, NULL, (GAsyncReadyCallback)on_web_extension_api_handler_finish, NULL);
+    g_task_set_task_data (task, api_handler_data_new (message, args), (GDestroyNotify)api_handler_data_free);
+
+    ephy_web_extension_api_runtime_handler (web_extension, split[1], args, web_view, task);
+    return TRUE;
+  }
+
+  respond_with_error (message, "Permission Denied");
+  return TRUE;
+}
+
 static void
 add_content_scripts (EphyWebExtension *web_extension,
                      EphyWebView      *web_view)
@@ -665,6 +725,10 @@ ephy_web_extension_manager_add_web_extension_to_webview (EphyWebExtensionManager
     }
   }
 
+  g_signal_connect (web_view, "user-message-received",
+                    G_CALLBACK (content_scripts_handle_user_message),
+                    web_extension);
+
   webkit_web_view_send_message_to_page (WEBKIT_WEB_VIEW (web_view),
                                         webkit_user_message_new ("WebExtension.Initialize", 
g_variant_new_string (ephy_web_extension_get_guid (web_extension))),
                                         NULL, NULL, NULL);
@@ -803,9 +867,7 @@ create_web_extensions_webview (EphyWebExtension *web_extension)
   webkit_web_context_register_uri_scheme (web_context, "ephy-webextension", web_extension_cb, web_extension, 
NULL);
   webkit_security_manager_register_uri_scheme_as_secure (webkit_web_context_get_security_manager 
(web_context),
                                                          "ephy-webextension");
-
   g_signal_connect_object (web_context, "initialize-web-extensions", G_CALLBACK (init_web_extension_api), 
web_extension, 0);
-  g_signal_connect (web_context, "user-message-received", G_CALLBACK 
(ephy_web_extension_handle_user_message), web_extension);
 
   web_view = g_object_new (WEBKIT_TYPE_WEB_VIEW,
                            "web-context", web_context,
@@ -815,6 +877,7 @@ create_web_extensions_webview (EphyWebExtension *web_extension)
                            NULL);
 
   webkit_web_view_set_cors_allowlist (WEBKIT_WEB_VIEW (web_view), ephy_web_extension_get_host_permissions 
(web_extension));
+  g_signal_connect (web_view, "user-message-received", G_CALLBACK (extension_view_handle_user_message), 
web_extension);
 
   settings = webkit_web_view_get_settings (WEBKIT_WEB_VIEW (web_view));
   webkit_settings_set_enable_write_console_messages_to_stdout (settings, TRUE);
@@ -1034,6 +1097,8 @@ ephy_web_extension_manager_remove_web_extension_from_webview (EphyWebExtensionMa
   if (lentry)
     ephy_location_entry_page_action_clear (lentry);
 
+  g_signal_handlers_disconnect_by_func (web_view, content_scripts_handle_user_message, web_extension);
+
   remove_content_scripts (web_extension, web_view);
   remove_custom_css (web_extension, web_view);
 }
@@ -1274,11 +1339,13 @@ on_extension_emit_ready (GObject      *source,
 
       pending_messages = g_hash_table_lookup (manager->pending_messages, tracker->web_extension);
       pending_task = g_hash_table_lookup (pending_messages, tracker->message_guid);
-      g_assert (pending_task);
-      g_assert (g_hash_table_steal (pending_messages, tracker->message_guid));
-      g_clear_pointer (&tracker->message_guid, g_free);
+      /* It is possible another view responded and removed the pending_task already. */
+      if (pending_task) {
+        g_assert (g_hash_table_steal (pending_messages, tracker->message_guid));
+        g_clear_pointer (&tracker->message_guid, g_free);
 
-      g_task_return_pointer (pending_task, NULL, NULL);
+        g_task_return_pointer (pending_task, NULL, NULL);
+      }
     }
     g_free (tracker);
   }
@@ -1289,7 +1356,7 @@ ephy_web_extension_manager_emit_in_extension_views_internal (EphyWebExtensionMan
                                                              EphyWebExtension        *web_extension,
                                                              const char              *name,
                                                              const char              *message_json,
-                                                             gint64                   page_id_exception,
+                                                             WebKitWebView           *web_view_exception,
                                                              const char              *sender_json,
                                                              GTask                   *reply_task)
 {
@@ -1318,7 +1385,7 @@ ephy_web_extension_manager_emit_in_extension_views_internal (EphyWebExtensionMan
     script = g_strdup_printf ("window.browser.%s._emit(%s);", name, message_json);
 
   if (background_view) {
-    if ((gint64)webkit_web_view_get_page_id (background_view) != page_id_exception) {
+    if (web_view_exception != background_view) {
       webkit_web_view_run_javascript (background_view,
                                       script,
                                       NULL,
@@ -1331,7 +1398,7 @@ ephy_web_extension_manager_emit_in_extension_views_internal (EphyWebExtensionMan
   if (popup_views) {
     for (guint i = 0; i < popup_views->len; i++) {
       WebKitWebView *popup_view = g_ptr_array_index (popup_views, i);
-      if ((gint64)webkit_web_view_get_page_id (popup_view) == page_id_exception)
+      if (web_view_exception == popup_view)
         continue;
 
       webkit_web_view_run_javascript (popup_view,
@@ -1372,7 +1439,7 @@ ephy_web_extension_manager_emit_in_extension_views (EphyWebExtensionManager *sel
                                                     const char              *name,
                                                     const char              *json)
 {
-  ephy_web_extension_manager_emit_in_extension_views_internal (self, web_extension, name, json, -1, NULL, 
NULL);
+  ephy_web_extension_manager_emit_in_extension_views_internal (self, web_extension, name, json, NULL, NULL, 
NULL);
 }
 
 void
@@ -1380,10 +1447,9 @@ ephy_web_extension_manager_emit_in_extension_views_except_self (EphyWebExtension
                                                                 EphyWebExtension        *web_extension,
                                                                 const char              *name,
                                                                 const char              *json,
-                                                                gint64                   extension_page_id)
+                                                                WebKitWebView           *own_webview)
 {
-  g_assert (extension_page_id > 0);
-  ephy_web_extension_manager_emit_in_extension_views_internal (self, web_extension, name, json, 
extension_page_id, NULL, NULL);
+  ephy_web_extension_manager_emit_in_extension_views_internal (self, web_extension, name, json, own_webview, 
NULL, NULL);
 }
 
 void
@@ -1391,35 +1457,12 @@ ephy_web_extension_manager_emit_in_extension_views_with_reply (EphyWebExtensionM
                                                                EphyWebExtension        *web_extension,
                                                                const char              *name,
                                                                const char              *json,
-                                                               gint64                   extension_page_id,
+                                                               WebKitWebView           *own_web_view,
                                                                const char              *sender_json,
                                                                GTask                   *reply_task)
 {
   g_assert (sender_json);
   g_assert (reply_task);
-  g_assert (extension_page_id > 0);
-  ephy_web_extension_manager_emit_in_extension_views_internal (self, web_extension, name, json, 
extension_page_id, sender_json, reply_task);
-}
-
-WebKitWebView *
-ephy_web_extension_manager_get_web_view_for_page_id (EphyWebExtensionManager *self,
-                                                     EphyWebExtension        *web_extension,
-                                                     gint64                   page_id)
-{
-  WebKitWebView *background_view = ephy_web_extension_manager_get_background_web_view (self, web_extension);
-  GPtrArray *popup_views = g_hash_table_lookup (self->popup_web_views, web_extension);
-
-  if (background_view && (gint64)webkit_web_view_get_page_id (background_view) == page_id)
-    return background_view;
-
-  if (popup_views) {
-    for (guint i = 0; i < popup_views->len; i++) {
-      WebKitWebView *popup_view = g_ptr_array_index (popup_views, i);
-      if ((gint64)webkit_web_view_get_page_id (popup_view) == page_id)
-        return popup_view;
-    }
-  }
-
-  g_warn_if_reached ();
-  return NULL;
+  g_assert (own_web_view);
+  ephy_web_extension_manager_emit_in_extension_views_internal (self, web_extension, name, json, 
own_web_view, sender_json, reply_task);
 }
diff --git a/src/webextension/ephy-web-extension-manager.h b/src/webextension/ephy-web-extension-manager.h
index aea6ec5a7..5593da6b1 100644
--- a/src/webextension/ephy-web-extension-manager.h
+++ b/src/webextension/ephy-web-extension-manager.h
@@ -79,19 +79,15 @@ void                     ephy_web_extension_manager_emit_in_extension_views_exce
                                                                                      EphyWebExtension        
*web_extension,
                                                                                      const char              
*name,
                                                                                      const char              
*json,
-                                                                                     gint64                  
 extension_page_id);
+                                                                                     WebKitWebView           
*own_web_view);
 
 void                     ephy_web_extension_manager_emit_in_extension_views_with_reply
                                                                                     (EphyWebExtensionManager 
*self,
                                                                                      EphyWebExtension        
*web_extension,
                                                                                      const char              
*name,
                                                                                      const char              
*json,
-                                                                                     gint64                  
 extension_page_id,
+                                                                                     WebKitWebView           
*own_web_view,
                                                                                      const char              
*sender_json,
                                                                                      GTask                   
*reply_task);
 
-WebKitWebView           *ephy_web_extension_manager_get_web_view_for_page_id        (EphyWebExtensionManager 
*self,
-                                                                                     EphyWebExtension        
*web_extension,
-                                                                                     gint64                  
 page_id);
-
 G_END_DECLS
diff --git a/src/webextension/ephy-web-extension.h b/src/webextension/ephy-web-extension.h
index 40d2ba11f..59b9ec839 100644
--- a/src/webextension/ephy-web-extension.h
+++ b/src/webextension/ephy-web-extension.h
@@ -38,13 +38,13 @@ G_DECLARE_FINAL_TYPE (EphyWebExtension, ephy_web_extension, EPHY, WEB_EXTENSION,
 typedef void (*executeTaskHandler)(EphyWebExtension *web_extension,
                                    char             *name,
                                    JSCValue         *args,
-                                   gint64            extension_page_id,
+                                   WebKitWebView    *web_view,
                                    GTask            *task);
 
 typedef char *(*executeHandler)(EphyWebExtension  *web_extension,
                                 char              *name,
                                 JSCValue          *args,
-                                gint64             extension_page_id,
+                                WebKitWebView     *web_view,
                                 GError           **error);
 
 


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