GTK: Fix profile selection bubble to match the chrome-theme when selected.

chrome/browser/ui/gtk/avatar_menu_item_gtk.h

Index: chrome/browser/ui/gtk/avatar_menu_item_gtk.h
diff --git a/chrome/browser/ui/gtk/avatar_menu_item_gtk.h b/chrome/browser/ui/gtk/avatar_menu_item_gtk.h
index 62ff3782a52d87ca9767f8b45f9ce87b73b84525..6cfef490497a6b46d6fb35dea784e37d8c4e9d05 100644
--- a/chrome/browser/ui/gtk/avatar_menu_item_gtk.h
+++ b/chrome/browser/ui/gtk/avatar_menu_item_gtk.h
@@ -10,6 +10,8 @@
 
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/profiles/avatar_menu_model.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/base/gtk/owned_widget_gtk.h"
 
@@ -19,7 +21,7 @@ class GtkThemeService;
 // to be displayed in the AvatarMenuBubble. Clicking the profile will open a new
 // browser window, and when the user hovers over an active profile item, a link
 // is displayed that will allow editing the profile.
-class AvatarMenuItemGtk {
+class AvatarMenuItemGtk : public content::NotificationObserver {
  public:
   // Delegates opening or editing a profile.
   class Delegate {
@@ -43,6 +45,11 @@ class AvatarMenuItemGtk {
   // Returns the root widget for this menu item.
   GtkWidget* widget() { return widget_.get(); }
 
+  // content::NotificationObserver implementation.
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
  private:
   CHROMEGTK_CALLBACK_1(AvatarMenuItemGtk, gboolean, OnProfileClick,
                        GdkEventButton*);
@@ -68,6 +75,9 @@ class AvatarMenuItemGtk {
   // The root widget for this menu item.
   ui::OwnedWidgetGtk widget_;
 
+  // Provides colors.
+  GtkThemeService* theme_service_;
+
   // A weak pointer to a label that displays the sync status. It is not shown
   // when the user is hovering over the item if the profile is the active
   // profile.
@@ -77,7 +87,23 @@ class AvatarMenuItemGtk {
   // when the user is hovering over the active profile.
   GtkWidget* link_alignment_;
 
+  // A weak pointer to a GtkChromeLinkButton so we can keep the use_gtk_theme
+  // property up to date.
+  GtkWidget* edit_profile_link_;
+
+  // The highlighted color. Depending on the theme, this is either |widget|'s
+  // bg[GTK_STATE_SELECTED] or a static highlight.
+  GdkColor highlighted_color_;
+
+  // The unhighlighted color. Depending on the theme, this is either NULL or a
+  // pointer to static data.
+  const GdkColor* unhighlighted_color_;
+
   base::WeakPtrFactory<AvatarMenuItemGtk> weak_factory_;
+
+  content::NotificationRegistrar registrar_;
+
+  DISALLOW_COPY_AND_ASSIGN(AvatarMenuItemGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_AVATAR_MENU_ITEM_GTK_H_