Move Extension into extensions namespace

chrome/browser/chromeos/extensions/external_filesystem_apitest.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/bind.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop_proxy.h"
@@ skipping 142 matching lines @@
   // Adds a local mount point at at mount point /tmp.
   void AddTmpMountPoint() {
     fileapi::ExternalFileSystemMountPointProvider* provider =
         BrowserContext::GetFileSystemContext(browser()->profile())->
             external_provider();
     provider->AddLocalMountPoint(test_mount_point_);
   }
 
   // Loads the extension, which temporarily starts the lazy background page
   // to dispatch the onInstalled event. We wait until it shuts down again.
-  const Extension* LoadExtensionAndWait(const std::string& test_name) {
+  const extensions::Extension* LoadExtensionAndWait(
+      const std::string& test_name) {
     BackgroundObserver page_complete;
     FilePath extdir = test_data_dir_.AppendASCII(test_name);
-    const Extension* extension = LoadExtension(extdir);
+    const extensions::Extension* extension = LoadExtension(extdir);
     if (extension)
       page_complete.WaitUntilClosed();
     return extension;
   }
 
  private:
   FilePath test_mount_point_;
 };
 
 class RemoteFileSystemExtensionApiTest : public ExtensionApiTest {
@@ skipping 115 matching lines @@
   // This one is called on exit, but we don't care much about it, as long as it
   // retunrs something valid (i.e. not NULL).
   EXPECT_CALL(*mock_documents_service_, operation_registry()).
       WillOnce(Return(operation_registry_.get()));
 
   // All is set... RUN THE TEST.
   EXPECT_TRUE(RunExtensionTest("filesystem_handler")) << message_;
   EXPECT_TRUE(RunExtensionSubtest("filebrowser_component", "remote.html",
       kComponentFlags)) << message_;
 }