Move the panel to the root window where the mouse click occurred.

chrome/browser/ui/ash/launcher/app_shortcut_launcher_item_controller.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_ASH_LAUNCHER_APP_SHORTCUT_LAUNCHER_ITEM_CONTROLLER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_APP_SHORTCUT_LAUNCHER_ITEM_CONTROLLER_H_
 
 #include <string>
 
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_app.h"
@@ skipping 15 matching lines @@
 
   virtual ~AppShortcutLauncherItemController();
 
   // LauncherItemController overrides:
   virtual string16 GetTitle() OVERRIDE;
   virtual bool HasWindow(aura::Window* window) const OVERRIDE;
   virtual bool IsOpen() const OVERRIDE;
   virtual void Launch(int event_flags) OVERRIDE;
   virtual void Activate() OVERRIDE;
   virtual void Close() OVERRIDE;
-  virtual void Clicked() OVERRIDE;
+  virtual void Clicked(const ui::Event& event) OVERRIDE;
   virtual void OnRemoved() OVERRIDE;
   virtual void LauncherItemChanged(
       int model_index,
       const ash::LauncherItem& old_item) OVERRIDE;
   virtual ChromeLauncherAppMenuItems* GetApplicationList() OVERRIDE;
   std::vector<content::WebContents*> GetRunningApplications();
 
   // Get the refocus url pattern, which can be used to identify this application
   // from a URL link.
   const GURL& refocus_url() const { return refocus_url_; }
   // Set the refocus url pattern. Used by unit tests.
   void set_refocus_url(const GURL& refocus_url) { refocus_url_ = refocus_url; }
 
  private:
   GURL refocus_url_;
   ChromeLauncherControllerPerApp* app_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(AppShortcutLauncherItemController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_APP_SHORTCUT_LAUNCHER_ITEM_CONTROLLER_H_