[sysprof] libsysprof-ui: style environment editor

[Christian Hergert <chergert src gnome org>]

commit 597d757bf86c37edb31a59ba046af77d0f20ef1a
Author: Christian Hergert <chergert redhat com>
Date:   Sat May 18 13:58:22 2019 -0700

    libsysprof-ui: style environment editor

 src/libsysprof-ui/css/SysprofEnvironEditor-shared.css | 13 +++++++++++++
 src/libsysprof-ui/libsysprof-ui.gresource.xml         |  1 +
 src/libsysprof-ui/sysprof-environ-editor.c            |  7 +++++++
 3 files changed, 21 insertions(+)
---
diff --git a/src/libsysprof-ui/css/SysprofEnvironEditor-shared.css 
b/src/libsysprof-ui/css/SysprofEnvironEditor-shared.css
new file mode 100644
index 0000000..89f1ed2
--- /dev/null
+++ b/src/libsysprof-ui/css/SysprofEnvironEditor-shared.css
@@ -0,0 +1,13 @@
+list.environ-editor row button.flat:last-child {
+  min-height: 16px;
+  min-width: 16px;
+  padding: 0;
+  margin: 3px;
+}
+list.environ-editor row button.flat:not(:hover) {
+  border-color: transparent;
+}
+list.environ-editor row button.flat image {
+  padding: 3;
+  margin: 0;
+}
diff --git a/src/libsysprof-ui/libsysprof-ui.gresource.xml b/src/libsysprof-ui/libsysprof-ui.gresource.xml
index 9584917..1f43823 100644
--- a/src/libsysprof-ui/libsysprof-ui.gresource.xml
+++ b/src/libsysprof-ui/libsysprof-ui.gresource.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <gresources>
   <gresource prefix="/org/gnome/sysprof">
+    <file compressed="true">css/SysprofEnvironEditor-shared.css</file>
     <file compressed="true">css/SysprofVisualizerView-shared.css</file>
     <file compressed="true">css/SysprofVisualizerView-Adwaita.css</file>
     <file compressed="true">css/SysprofVisualizerView-Adwaita-dark.css</file>
diff --git a/src/libsysprof-ui/sysprof-environ-editor.c b/src/libsysprof-ui/sysprof-environ-editor.c
index 8fe2882..58ef2f6 100644
--- a/src/libsysprof-ui/sysprof-environ-editor.c
+++ b/src/libsysprof-ui/sysprof-environ-editor.c
@@ -26,6 +26,7 @@
 
 #include "sysprof-environ-editor.h"
 #include "sysprof-environ-editor-row.h"
+#include "sysprof-theme-manager.h"
 
 struct _SysprofEnvironEditor
 {
@@ -248,6 +249,7 @@ sysprof_environ_editor_class_init (SysprofEnvironEditorClass *klass)
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
   GtkListBoxClass *list_box_class = GTK_LIST_BOX_CLASS (klass);
+  SysprofThemeManager *theme_manager = sysprof_theme_manager_get_default ();
 
   object_class->get_property = sysprof_environ_editor_get_property;
   object_class->set_property = sysprof_environ_editor_set_property;
@@ -264,12 +266,17 @@ sysprof_environ_editor_class_init (SysprofEnvironEditorClass *klass)
                          (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   g_object_class_install_properties (object_class, N_PROPS, properties);
+
+  sysprof_theme_manager_register_resource (theme_manager, NULL, NULL, 
"/org/gnome/sysprof/css/SysprofEnvironEditor-shared.css");
 }
 
 static void
 sysprof_environ_editor_init (SysprofEnvironEditor *self)
 {
   gtk_list_box_set_selection_mode (GTK_LIST_BOX (self), GTK_SELECTION_NONE);
+
+  gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (self)),
+                               "environ-editor");
 }
 
 GtkWidget *