Remove calls to deprecated MessageLoop methods on Windows and Linux.

content/browser/tracing/etw_tracing_agent_win.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 "content/browser/tracing/etw_tracing_agent_win.h"
 
 #include <stdint.h>
 
 #include "base/base64.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/lazy_instance.h"
 #include "base/memory/singleton.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "base/trace_event/trace_event_impl.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace content {
 
 namespace {
 
@@ skipping 33 matching lines @@
   // Activate kernel tracing.
   if (!StartKernelSessionTracing()) {
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(callback, GetTracingAgentName(), false /* success */));
     return;
   }
 
   // Start the consumer thread and start consuming events.
   thread_.Start();
-  thread_.message_loop()->PostTask(
-      FROM_HERE,
-      base::Bind(&EtwTracingAgent::TraceAndConsumeOnThread,
-                 base::Unretained(this)));
+  thread_.task_runner()->PostTask(
+      FROM_HERE, base::Bind(&EtwTracingAgent::TraceAndConsumeOnThread,
+                            base::Unretained(this)));
 
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE,
       base::Bind(callback, GetTracingAgentName(), true /* success */));
 }
 
 void EtwTracingAgent::StopAgentTracing(
     const StopAgentTracingCallback& callback) {
   // Deactivate kernel tracing.
   if (!StopKernelSessionTracing()) {
     LOG(FATAL) << "Could not stop system tracing.";
   }
 
   // Stop consuming and flush events.
-  thread_.message_loop()->PostTask(FROM_HERE,
-      base::Bind(&EtwTracingAgent::FlushOnThread,
-                 base::Unretained(this),
-                 callback));
+  thread_.task_runner()->PostTask(FROM_HERE,
+                                  base::Bind(&EtwTracingAgent::FlushOnThread,
+                                             base::Unretained(this), callback));
 }
 
 void EtwTracingAgent::OnStopSystemTracingDone(
     const StopAgentTracingCallback& callback,
     const scoped_refptr<base::RefCountedString>& result) {
 
   // Stop the consumer thread.
   thread_.Stop();
 
   // Pass the serialized events.
@@ skipping 148 matching lines @@
       base::RefCountedString::TakeString(&output);
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&EtwTracingAgent::OnStopSystemTracingDone,
                  base::Unretained(this),
                  callback,
                  result));
 }
 
 }  // namespace content