Move Extension into extensions namespace

chrome/browser/extensions/webstore_inline_installer.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_EXTENSIONS_WEBSTORE_INLINE_INSTALLER_H_
 #define CHROME_BROWSER_EXTENSIONS_WEBSTORE_INLINE_INSTALLER_H_
 #pragma once
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_install_ui.h"
 #include "chrome/browser/extensions/webstore_install_helper.h"
 #include "chrome/browser/extensions/webstore_installer.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/common/url_fetcher_delegate.h"
 #include "googleurl/src/gurl.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 class SafeWebstoreResponseParser;
 
+namespace extensions {
+class Extension;
+}
+
 // Manages inline installs requested by a page (downloads and parses metadata
 // from the webstore, shows the install UI, starts the download once the user
 // confirms).  Clients must implement the WebstoreInlineInstaller::Delegate
 // interface to be notified when the inline install completes (successfully or
 // not). The client will not be notified if the WebContents that this install
 // request is attached to goes away.
 class WebstoreInlineInstaller
     : public base::RefCountedThreadSafe<WebstoreInlineInstaller>,
       public ExtensionInstallUI::Delegate,
       public content::WebContentsObserver,
@@ skipping 86 matching lines @@
   scoped_ptr<content::URLFetcher> webstore_data_url_fetcher_;
 
   // Extracted from the webstore JSON data response.
   std::string localized_name_;
   std::string localized_description_;
   std::string localized_user_count_;
   double average_rating_;
   int rating_count_;
   scoped_ptr<DictionaryValue> webstore_data_;
   scoped_ptr<DictionaryValue> manifest_;
-  scoped_refptr<Extension> dummy_extension_;
+  scoped_refptr<extensions::Extension> dummy_extension_;
   SkBitmap icon_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(WebstoreInlineInstaller);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_WEBSTORE_INLINE_INSTALLER_H_