Don't show the zoom bubble when the settings menu is showing on views or GTK.

chrome/browser/ui/views/wrench_menu.h

 // Copyright (c) 2012 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_VIEWS_WRENCH_MENU_H_
 #define CHROME_BROWSER_UI_VIEWS_WRENCH_MENU_H_
 
 #include <map>
 #include <utility>
 
@@ skipping 20 matching lines @@
                    public content::NotificationObserver {
  public:
   explicit WrenchMenu(Browser* browser);
   virtual ~WrenchMenu();
 
   void Init(ui::MenuModel* model);
 
   // Shows the menu relative to the specified view.
   void RunMenu(views::MenuButton* host);
 
+  // Whether the menu is currently visible to the user.
+  bool IsShowing();
+
   // MenuDelegate overrides:
   virtual string16 GetTooltipText(int id, const gfx::Point& p) const OVERRIDE;
   virtual bool IsTriggerableEvent(views::MenuItemView* menu,
                                   const ui::Event& e) OVERRIDE;
   virtual bool GetDropFormats(
       views::MenuItemView* menu,
       int* formats,
       std::set<ui::OSExchangeData::CustomFormat>* custom_formats) OVERRIDE;
   virtual bool AreDropTypesRequired(views::MenuItemView* menu) OVERRIDE;
   virtual bool CanDrop(views::MenuItemView* menu,
@@ skipping 96 matching lines @@
 
   // ID to use for the items representing bookmarks in the bookmark menu.
   int first_bookmark_command_id_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(WrenchMenu);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_WRENCH_MENU_H_