Replace ExtensionAction with ExtensionAction2.

chrome/browser/gtk/location_bar_view_gtk.h

Index: chrome/browser/gtk/location_bar_view_gtk.h
diff --git a/chrome/browser/gtk/location_bar_view_gtk.h b/chrome/browser/gtk/location_bar_view_gtk.h
index 3d38c4ed9a8d66145f78501eab322cdadcaab9cc..be37d4775143aa0e9f6ff56e035161e297f9e868 100644
--- a/chrome/browser/gtk/location_bar_view_gtk.h
+++ b/chrome/browser/gtk/location_bar_view_gtk.h
@@ -28,7 +28,7 @@ class AutocompleteEditViewGtk;
 class BubblePositioner;
 class Browser;
 class CommandUpdater;
-class ExtensionAction2;
+class ExtensionAction;
 class GtkThemeProvider;
 class Profile;
 class SkBitmap;
@@ -106,7 +106,7 @@ class LocationBarViewGtk : public AutocompleteEditController,
    public:
     PageActionViewGtk(
         LocationBarViewGtk* owner, Profile* profile,
-        ExtensionAction2* page_action);
+        ExtensionAction* page_action);
     virtual ~PageActionViewGtk();
 
     GtkWidget* widget() { return event_box_.get(); }
@@ -134,7 +134,7 @@ class LocationBarViewGtk : public AutocompleteEditController,
 
     // The PageAction that this view represents. The PageAction is not owned by
     // us, it resides in the extension of this particular profile.
-    ExtensionAction2* page_action_;
+    ExtensionAction* page_action_;
 
     // A cache of all the different icon paths associated with this page action.
     typedef std::map<std::string, GdkPixbuf*> PixbufMap;