Move Extension into extensions namespace

chrome/browser/extensions/pending_extension_manager.cc

 // 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.
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/version.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/pending_extension_manager.h"
 #include "chrome/common/extensions/extension.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
+using extensions::Extension;
 
 namespace {
 
 // Install predicate used by AddFromExternalUpdateUrl().
 bool AlwaysInstall(const Extension& extension) {
   return true;
 }
 
 }  // namespace
 
@@ skipping 177 matching lines @@
       install_silently,
       install_source);
   return true;
 }
 
 void PendingExtensionManager::AddForTesting(
     const std::string& id,
     const PendingExtensionInfo& pending_extension_info) {
   pending_extension_map_[id] = pending_extension_info;
 }