Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/browser/power_profiler/power_profiler_service_unittest.cc

 // Copyright 2014 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/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/power_profiler/power_profiler_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 namespace {
 
 const int kNumEvents = 3;
@@ skipping 67 matching lines @@
 };
 
 } // namespace
 
 class PowerProfilerServiceTest : public testing::Test {
  public:
   void ServiceStartTest() {
     service_.reset(new PowerProfilerService(
         make_scoped_ptr<PowerDataProvider>(
             new TestPowerDataProvider(kNumEvents)),
-        message_loop_.task_runner(), base::TimeDelta::FromMilliseconds(1)));
+        message_loop_.message_loop_proxy(),
+        base::TimeDelta::FromMilliseconds(1)));
     EXPECT_TRUE(service_->IsAvailable());
   }
 
   void AddObserverTest() {
     service_->AddObserver(&observer_);
 
     // No PowerEvents received.
     EXPECT_EQ(observer_.valid_event_count(), 0);
   }
 
@@ skipping 31 matching lines @@
 
   ServiceStartTest();
   AddObserverTest();
 
   run_loop.Run();
 
   RemoveObserverTest();
 }
 
 }  // namespace content