Move Extension into extensions namespace

chrome/browser/chromeos/extensions/file_manager_util.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/chromeos/extensions/file_manager_util.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
@@ skipping 445 matching lines @@
     FilePath virtual_path;
     if (!ConvertFileToRelativeFileSystemPath(profile, path, &virtual_path))
       return;
     url += "#/" + net::EscapeUrlEncodedData(virtual_path.value(), false);
   }
 
   ExtensionService* service = profile->GetExtensionService();
   if (!service)
     return;
 
-  const Extension* extension =
+  const extensions::Extension* extension =
       service->GetExtensionById(kFileBrowserDomain, false);
   if (!extension)
     return;
 
   extension_misc::LaunchContainer launch_container =
       service->extension_prefs()->
           GetLaunchContainer(extension, ExtensionPrefs::LAUNCH_DEFAULT);
 
   content::RecordAction(UserMetricsAction("ShowFileBrowserFullTab"));
   Browser::OpenApplication(
@@ skipping 249 matching lines @@
           GDataOperationRegistry::ProgressStatus>::const_iterator iter =
               list.begin();
        iter != list.end(); ++iter) {
     result_list->Append(
         ProgessStatusToDictionaryValue(profile, origin_url, *iter));
   }
   return result_list.release();
 }
 
 }  // namespace file_manager_util