Move Extension into extensions namespace

chrome/browser/extensions/api/socket/socket_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/memory/ref_counted.h"
 #include "base/stringprintf.h"
 #include "chrome/browser/extensions/api/socket/socket_api.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_function_test_utils.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_test_message_listener.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "net/test/test_server.h"
 
+using extensions::Extension;
+
 namespace utils = extension_function_test_utils;
 
 namespace {
 
 const std::string kHostname = "127.0.0.1";
 const int kPort = 8888;
 
 class SocketApiTest : public PlatformAppApiTest {
  public:
   static std::string GenerateCreateFunctionArgs(const std::string& protocol,
@@ skipping 100 matching lines @@
 
   ExtensionTestMessageListener listener("info_please", true);
 
   ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("socket/api")));
   EXPECT_TRUE(listener.WaitUntilSatisfied());
   listener.Reply(
       base::StringPrintf("tcp:%s:%d", host_port_pair.host().c_str(), port));
 
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 }