[Extensions UI] Convert ExtensionMessageBubbles to ToolbarActionsBarBubbles

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 <memory>
@@ skipping 233 matching lines @@
     return popped_out_action_;
   }
   bool in_overflow_mode() const { return main_bar_ != nullptr; }
 
   ToolbarActionsBarDelegate* delegate_for_test() { return delegate_; }
 
   // During testing we can disable animations by setting this flag to true,
   // so that the bar resizes instantly, instead of having to poll it while it
   // animates to open/closed status.
   static bool disable_animations_for_testing_;
+  static void set_extension_bubble_appearance_wait_time_for_testing(
+      int time_in_seconds);
 
  private:
   using ToolbarActions = ScopedVector<ToolbarActionViewController>;
 
   // ToolbarActionsModel::Observer:
   void OnToolbarActionAdded(const ToolbarActionsModel::ToolbarItem& item,
                             int index) override;
   void OnToolbarActionRemoved(const std::string& action_id) override;
   void OnToolbarActionMoved(const std::string& action_id, int index) override;
   void OnToolbarActionUpdated(const std::string& action_id) override;
@@ skipping 86 matching lines @@
   bool is_showing_bubble_;
 
   base::ObserverList<ToolbarActionsBarObserver> observers_;
 
   base::WeakPtrFactory<ToolbarActionsBar> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ToolbarActionsBar);
 };
 
 #endif  // CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_H_