chrome: Use base::MessageLoop. (Part 3)

chrome/browser/extensions/api/system_info_display/system_info_display_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/command_line.h"
 #include "base/message_loop.h"
 #include "chrome/browser/extensions/api/system_info_display/display_info_provider.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_test_message_listener.h"
 #include "chrome/common/chrome_switches.h"
 
@@ skipping 37 matching lines @@
   SystemInfoDisplayApiTest() {}
   virtual ~SystemInfoDisplayApiTest() {}
 
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     ExtensionApiTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
   }
 
   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
     ExtensionApiTest::SetUpInProcessBrowserTestFixture();
-    message_loop_.reset(new MessageLoop(MessageLoop::TYPE_UI));
+    message_loop_.reset(new base::MessageLoop(base::MessageLoop::TYPE_UI));
   }
 
  private:
-  scoped_ptr<MessageLoop> message_loop_;
+  scoped_ptr<base::MessageLoop> message_loop_;
 };
 
 IN_PROC_BROWSER_TEST_F(SystemInfoDisplayApiTest, Display) {
   // The |provider| will be owned by the singleton instance.
   scoped_refptr<MockDisplayInfoProvider> provider =
       new MockDisplayInfoProvider();
   DisplayInfoProvider::InitializeForTesting(provider);
   ASSERT_TRUE(RunPlatformAppTest("systeminfo/display")) << message_;
 }
 
 } // namespace extensions