Move Extension into extensions namespace

chrome/browser/task_manager/task_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 "chrome/browser/task_manager/task_manager.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/i18n/number_formatting.h"
 #include "base/i18n/rtl.h"
@@ skipping 461 matching lines @@
 TaskManager::Resource::Type TaskManagerModel::GetResourceType(int index) const {
   CHECK_LT(index, ResourceCount());
   return resources_[index]->GetType();
 }
 
 TabContentsWrapper* TaskManagerModel::GetResourceTabContents(int index) const {
   CHECK_LT(index, ResourceCount());
   return resources_[index]->GetTabContents();
 }
 
-const Extension* TaskManagerModel::GetResourceExtension(int index) const {
+const extensions::Extension* TaskManagerModel::GetResourceExtension(
+    int index) const {
   CHECK_LT(index, ResourceCount());
   return resources_[index]->GetExtension();
 }
 
 int64 TaskManagerModel::GetNetworkUsage(TaskManager::Resource* resource)
     const {
   int64 net_usage = GetNetworkUsageForResource(resource);
   if (net_usage == 0 && !resource->SupportNetworkUsage())
     return -1;
   return net_usage;
@@ skipping 672 matching lines @@
     // Count the number of extensions with background pages (including
     // incognito).
     count += CountExtensionBackgroundPagesForProfile(profile);
     if (profile->HasOffTheRecordProfile()) {
       count += CountExtensionBackgroundPagesForProfile(
           profile->GetOffTheRecordProfile());
     }
   }
   return count;
 }