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

chrome/browser/extensions/pack_extension_unittest.cc

 // Copyright (c) 2013 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/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
@@ skipping 20 matching lines @@
   bool TestPackExtension(const base::FilePath& path) {
     base::ScopedTempDir temp_dir;
     EXPECT_TRUE(temp_dir.CreateUniqueTempDir());
     EXPECT_TRUE(file_util::CopyDirectory(path, temp_dir.path(), true));
     CommandLine command_line(CommandLine::NO_PROGRAM);
     command_line.AppendSwitchPath(switches::kPackExtension,
                                   temp_dir.path().Append(path.BaseName()));
     return startup_helper_.PackExtension(command_line);
   }
 
-  MessageLoop message_loop_;
+  base::MessageLoop message_loop_;
   content::TestBrowserThread ui_thread_;
   content::TestBrowserThread file_thread_;
 
   base::FilePath test_data_dir_;
   StartupHelper startup_helper_;
 };
 
 TEST_F(PackExtensionTest, Extension) {
   ASSERT_TRUE(TestPackExtension(test_data_dir_.AppendASCII("api_test")
                                               .AppendASCII("tabs")
                                               .AppendASCII("basics")));
 }
 
 TEST_F(PackExtensionTest, PackagedApp) {
   ASSERT_TRUE(TestPackExtension(test_data_dir_.AppendASCII("packaged_app")));
 }
 
 TEST_F(PackExtensionTest, PlatformApp) {
   ASSERT_TRUE(TestPackExtension(test_data_dir_.AppendASCII("platform_apps")
                                               .AppendASCII("minimal")));
 }
 
 }  // namespace extensions