gpu: Use base::MessageLoop.

gpu/command_buffer/service/gpu_scheduler.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 "gpu/command_buffer/service/gpu_scheduler.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/debug/trace_event.h"
@@ skipping 132 matching lines @@
   } else {
     ++unscheduled_count_;
     if (unscheduled_count_ == 1) {
       TRACE_EVENT_ASYNC_BEGIN1("gpu", "ProcessingSwap", this,
                                "GpuScheduler", this);
 #if defined(OS_WIN)
       if (base::win::GetVersion() < base::win::VERSION_VISTA) {
         // When the scheduler transitions from scheduled to unscheduled, post a
         // delayed task that it will force it back into a scheduled state after
         // a timeout. This should only be necessary on pre-Vista.
-        MessageLoop::current()->PostDelayedTask(
+        base::MessageLoop::current()->PostDelayedTask(
             FROM_HERE,
             base::Bind(&GpuScheduler::RescheduleTimeOut,
                        reschedule_task_factory_.GetWeakPtr()),
             base::TimeDelta::FromMilliseconds(kRescheduleTimeOutDelay));
       }
 #endif
       if (!scheduling_changed_callback_.is_null())
         scheduling_changed_callback_.Run(false);
     }
   }
@@ skipping 138 matching lines @@
                                                base::Closure task_)
   : fence(fence_),
     issue_time(base::Time::Now()),
     task(task_) {
 }
 
 GpuScheduler::UnscheduleFence::~UnscheduleFence() {
 }
 
 }  // namespace gpu