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

chrome/browser/metrics/metrics_service_unittest.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 <ctype.h>
 #include <string>
 
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "chrome/browser/metrics/metrics_service.h"
@@ skipping 12 matching lines @@
   MetricsServiceTest()
       : ui_thread_(content::BrowserThread::UI, &message_loop_),
         testing_local_state_(TestingBrowserProcess::GetGlobal()) {
   }
 
   PrefService* GetLocalState() {
     return testing_local_state_.Get();
   }
 
  private:
-  MessageLoopForUI message_loop_;
+  base::MessageLoopForUI message_loop_;
   content::TestBrowserThread ui_thread_;
   ScopedTestingLocalState testing_local_state_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsServiceTest);
 };
 
 }  // namespace
 
 // Ensure the ClientId is formatted as expected.
 TEST_F(MetricsServiceTest, ClientIdCorrectlyFormatted) {
@@ skipping 66 matching lines @@
   {
     CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kResetVariationState);
 
     MetricsService service;
     service.GetLowEntropySource();
 
     EXPECT_TRUE(GetLocalState()->GetString(kCachePrefName).empty());
   }
 }