Improve WebstoreInstaller error handling.

chrome/browser/ui/intents/web_intent_picker_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_INTENTS_WEB_INTENT_PICKER_CONTROLLER_H_
 #define CHROME_BROWSER_UI_INTENTS_WEB_INTENT_PICKER_CONTROLLER_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 11 matching lines @@
 #include "content/public/browser/notification_registrar.h"
 #include "webkit/glue/web_intent_data.h"
 #include "webkit/glue/web_intent_reply_data.h"
 
 class Browser;
 struct DefaultWebIntentService;
 class GURL;
 class TabContentsWrapper;
 class WebIntentPicker;
 class WebIntentPickerModel;
-class WebstoreInstaller;
 
 namespace content {
 class WebContents;
 class WebIntentsDispatcher;
 }
 
 namespace webkit_glue {
 struct WebIntentServiceData;
 }
 
@@ skipping 127 matching lines @@
   // client page.
   content::WebIntentsDispatcher* intents_dispatcher_;
 
   // Weak pointer to the tab servicing the intent. Remembered in order to
   // close it when a reply is sent.
   content::WebContents* service_tab_;
 
   // Request consumer used when asynchronously loading favicons.
   CancelableRequestConsumerTSimple<size_t> favicon_consumer_;
 
-  // Used to install extensions from the Chrome Web Store.
-  scoped_refptr<WebstoreInstaller> webstore_installer_;
-
   base::WeakPtrFactory<WebIntentPickerController> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebIntentPickerController);
 };
 
 #endif  // CHROME_BROWSER_UI_INTENTS_WEB_INTENT_PICKER_CONTROLLER_H_