The Apps ntp page should not display an avatar menu when clicking on the username.

chrome/test/base/test_browser_window.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_TEST_BASE_TEST_BROWSER_WINDOW_H_
 #define CHROME_TEST_BASE_TEST_BROWSER_WINDOW_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "build/build_config.h"
@@ skipping 122 matching lines @@
                            const GURL& url,
                            const content::SSLStatus& ssl) override {}
   void Cut() override {}
   void Copy() override {}
   void Paste() override {}
   WindowOpenDisposition GetDispositionForPopupBounds(
       const gfx::Rect& bounds) override;
   FindBar* CreateFindBar() override;
   web_modal::WebContentsModalDialogHost* GetWebContentsModalDialogHost()
       override;
-  void ShowAvatarBubble(content::WebContents* web_contents,
-                        const gfx::Rect& rect) override {}
   void ShowAvatarBubbleFromAvatarButton(
       AvatarBubbleMode mode,
       const signin::ManageAccountsParams& manage_accounts_params) override {}
   int GetRenderViewHeightInsetWithDetachedBookmarkBar() override;
   void ExecuteExtensionCommand(const extensions::Extension* extension,
                                const extensions::Command& command) override;
 
  protected:
   void DestroyBrowser() override {}
 
@@ skipping 37 matching lines @@
 };
 
 namespace chrome {
 
 // Helper that handle the lifetime of TestBrowserWindow instances.
 Browser* CreateBrowserWithTestWindowForParams(Browser::CreateParams* params);
 
 }  // namespace chrome
 
 #endif  // CHROME_TEST_BASE_TEST_BROWSER_WINDOW_H_