[Extensions] Show a "refresh" bubble when needed with click-to-script

chrome/browser/ui/toolbar/toolbar_actions_bar.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_H_
 #define CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_H_
 
 #include <stddef.h>
 
 #include "base/callback.h"
@@ skipping 193 matching lines @@
   void HideActivePopup();
 
   // Returns the main (i.e., not overflow) controller for the given action.
   ToolbarActionViewController* GetMainControllerForAction(
       ToolbarActionViewController* action);
 
   // Add or remove an observer.
   void AddObserver(ToolbarActionsBarObserver* observer);
   void RemoveObserver(ToolbarActionsBarObserver* observer);
 
+  // Displays the given |bubble| once the toolbar is no longer animating.
+  void ShowToolbarActionBubble(
+      scoped_ptr<ToolbarActionsBarBubbleDelegate> bubble);
+
   // Returns the underlying toolbar actions, but does not order them. Primarily
   // for use in testing.
   const std::vector<ToolbarActionViewController*>& toolbar_actions_unordered()
       const {
     return toolbar_actions_.get();
   }
   bool enabled() const { return model_ != nullptr; }
   bool suppress_layout() const { return suppress_layout_; }
   bool suppress_animation() const {
     return suppress_animation_ || disable_animations_for_testing_;
@@ skipping 105 matching lines @@
   ToolbarActionViewController* popped_out_action_;
 
   // True if the popped out action is "sticky", meaning it will stay popped
   // out even if another menu is opened.
   bool is_popped_out_sticky_;
 
   // The task to alert the |popped_out_action_| that animation has finished, and
   // it is fully popped out.
   base::Closure popped_out_closure_;
 
-  // The controller of the bubble to show once animation finishes, if any.
+  // The controller of the extension message bubble to show once animation
+  // finishes, if any. This has priority over
+  // |pending_toolbar_bubble_controller_|.
   scoped_ptr<extensions::ExtensionMessageBubbleController>
       pending_extension_bubble_controller_;
 
+  // The controller for the toolbar action bubble to show once animation
+  // finishes, if any.
+  scoped_ptr<ToolbarActionsBarBubbleDelegate>
+      pending_toolbar_bubble_controller_;
+
   base::ObserverList<ToolbarActionsBarObserver> observers_;
 
   base::WeakPtrFactory<ToolbarActionsBar> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ToolbarActionsBar);
 };
 
 #endif  // CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_H_