Make the Remove Extension dialog modal for win app list.

chrome/browser/ui/app_list/app_list_service.h

 // Copyright 2013 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_APP_LIST_APP_LIST_SERVICE_H_
 #define CHROME_BROWSER_UI_APP_LIST_APP_LIST_SERVICE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "ui/gfx/native_widget_types.h"
 
 class AppListControllerDelegate;
 class CommandLine;
 class PrefRegistrySimple;
 class Profile;
 
 namespace base {
 class FilePath;
 }
 
@@ skipping 32 matching lines @@
   // Get the profile the app list is currently showing.
   virtual Profile* GetCurrentAppListProfile() = 0;
 
   // Returns true if the app list is visible.
   virtual bool IsAppListVisible() const = 0;
 
   // Enable the app list. What this does specifically will depend on the host
   // operating system and shell.
   virtual void EnableAppList() = 0;
 
+  // Get the window the app list is in, or NULL if the app list isn't visible.
+  virtual gfx::NativeWindow GetAppListWindow() = 0;
+
   // Exposed to allow testing of the controller delegate.
   virtual AppListControllerDelegate* CreateControllerDelegate() = 0;
 
  protected:
   AppListService() {}
   virtual ~AppListService() {}
 
   // Do any once off initialization needed for the app list.
   virtual void Init(Profile* initial_profile) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AppListService);
 };
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_SERVICE_H_