[Extensions UI] Use the ExtensionMessageBubbleBridge for Views platforms

chrome/browser/ui/toolbar/toolbar_actions_bar_delegate.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_DELEGATE_H_
 #define CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_DELEGATE_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 48 matching lines @@
 
   // Returns true if the view is animating.
   virtual bool IsAnimating() const = 0;
 
   // Stops the current animation (width remains where it currently is).
   virtual void StopAnimating() = 0;
 
   // Returns the width (including padding) for the overflow chevron.
   virtual int GetChevronWidth() const = 0;
 
-  // Displays the bubble for the passed ExtensionMessageBubbleController,
-  // anchored to |anchor_action|. If |anchor_action| is null, it should be
-  // anchored to the hotdog menu.
-  virtual void ShowExtensionMessageBubble(
-      std::unique_ptr<extensions::ExtensionMessageBubbleController> controller,
-      ToolbarActionViewController* anchor_action) = 0;
-
-  // Shows the given |bubble| if no other bubbles are showing.
+  // Shows the given |bubble|. Must not be called if another bubble is showing
+  // or if the toolbar is animating.
   virtual void ShowToolbarActionBubble(
       std::unique_ptr<ToolbarActionsBarBubbleDelegate> bubble) = 0;
 };
 
 #endif  // CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_DELEGATE_H_