[epiphany] Bump WebKitGTK+ requirements and update to the new API

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 4e35d9b5b1f26019ede44b567374c3ba083a089a
Author: Carlos Garcia Campos <cgarcia igalia com>
Date:   Fri Jul 20 10:10:50 2018 +0200

    Bump WebKitGTK+ requirements and update to the new API
    
    jsc_context_evaluate_with_source_uri() now receives a starting line
    number parameter.

 embed/web-extension/ephy-web-extension.c | 4 ++--
 meson.build                              | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/embed/web-extension/ephy-web-extension.c b/embed/web-extension/ephy-web-extension.c
index e17901253..9b3fddfa7 100644
--- a/embed/web-extension/ephy-web-extension.c
+++ b/embed/web-extension/ephy-web-extension.c
@@ -872,7 +872,7 @@ window_object_cleared_cb (WebKitScriptWorld *world,
 
   bytes = g_resources_lookup_data ("/org/gnome/epiphany-web-extension/js/ephy.js", 
G_RESOURCE_LOOKUP_FLAGS_NONE, NULL);
   data = g_bytes_get_data (bytes, &data_size);
-  result = jsc_context_evaluate_with_source_uri (js_context, data, data_size, 
"resource:///org/gnome/epiphany-web-extension/js/ephy.js");
+  result = jsc_context_evaluate_with_source_uri (js_context, data, data_size, 
"resource:///org/gnome/epiphany-web-extension/js/ephy.js", 1);
   g_bytes_unref (bytes);
   g_object_unref (result);
 
@@ -901,7 +901,7 @@ window_object_cleared_cb (WebKitScriptWorld *world,
 
     bytes = g_resources_lookup_data ("/org/gnome/epiphany-web-extension/js/overview.js", 
G_RESOURCE_LOOKUP_FLAGS_NONE, NULL);
     data = g_bytes_get_data (bytes, &data_size);
-    result = jsc_context_evaluate_with_source_uri (js_context, data, data_size, 
"resource:///org/gnome/epiphany-web-extension/js/overview.js");
+    result = jsc_context_evaluate_with_source_uri (js_context, data, data_size, 
"resource:///org/gnome/epiphany-web-extension/js/overview.js", 1);
     g_bytes_unref (bytes);
     g_object_unref (result);
 
diff --git a/meson.build b/meson.build
index 7c2795215..cd84e4825 100644
--- a/meson.build
+++ b/meson.build
@@ -67,7 +67,7 @@ endif
 glib_requirement = '>= 2.52.0'
 gtk_requirement = '>= 3.22.13'
 nettle_requirement = '>= 3.2'
-webkitgtk_requirement = '>= 2.21.4'
+webkitgtk_requirement = '>= 2.21.5'
 
 cairo_dep = dependency('cairo', version: '>= 1.2')
 dazzle_dep = dependency('libdazzle-1.0', version: '>= 3.28.0')