gpu: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

gpu/command_buffer/service/gpu_tracer.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_tracer.h"
 
 #include <deque>
 
 #include "base/bind.h"
+#include "base/location.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_util.h"
+#include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "base/trace_event/trace_event.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/context_group.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_version_info.h"
 #include "ui/gl/gpu_timing.h"
 
 namespace gpu {
 namespace gles2 {
@@ skipping 280 matching lines @@
     return markers_[source].back().name_;
   }
   return base::EmptyString();
 }
 
 scoped_refptr<Outputter> GPUTracer::CreateOutputter(const std::string& name) {
   return TraceOutputter::Create(name);
 }
 
 void GPUTracer::PostTask() {
-  base::MessageLoop::current()->PostDelayedTask(
-      FROM_HERE,
-      base::Bind(&GPUTracer::Process, base::AsWeakPtr(this)),
+  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+      FROM_HERE, base::Bind(&GPUTracer::Process, base::AsWeakPtr(this)),
       base::TimeDelta::FromMilliseconds(kProcessInterval));
 }
 
 void GPUTracer::Process() {
   process_posted_ = false;
   ProcessTraces();
   IssueProcessTask();
 }
 
 void GPUTracer::ProcessTraces() {
@@ skipping 44 matching lines @@
 void GPUTracer::IssueProcessTask() {
   if (finished_traces_.empty() || process_posted_)
     return;
 
   process_posted_ = true;
   PostTask();
 }
 
 }  // namespace gles2
 }  // namespace gpu