chrome: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

chrome/utility/image_writer/image_writer.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 "chrome/utility/image_writer/image_writer.h"
 
+#include "base/location.h"
 #include "base/memory/aligned_memory.h"
+#include "base/single_thread_task_runner.h"
+#include "base/thread_task_runner_handle.h"
 #include "chrome/utility/image_writer/error_messages.h"
 #include "chrome/utility/image_writer/image_writer_handler.h"
 #include "content/public/utility/utility_thread.h"
 
 #if defined(OS_MACOSX)
 #include "chrome/utility/image_writer/disk_unmounter_mac.h"
 #endif
 
 namespace image_writer {
 
@@ skipping 44 matching lines @@
   handler_->SendCancelled();
 }
 
 bool ImageWriter::IsRunning() const { return running_; }
 
 const base::FilePath& ImageWriter::GetImagePath() { return image_path_; }
 
 const base::FilePath& ImageWriter::GetDevicePath() { return device_path_; }
 
 void ImageWriter::PostTask(const base::Closure& task) {
-  base::MessageLoop::current()->PostTask(FROM_HERE, task);
+  base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, task);
 }
 
 void ImageWriter::PostProgress(int64 progress) {
   handler_->SendProgress(progress);
 }
 
 void ImageWriter::Error(const std::string& message) {
   running_ = false;
   handler_->SendFailed(message);
 }
@@ skipping 106 matching lines @@
     running_ = false;
   } else {
     // Unable to read entire file.
     LOG(ERROR) << "Failed to read " << kBurningBlockSize << " bytes of image "
                << "at offset " << bytes_processed_;
     Error(error::kReadImage);
   }
 }
 
 }  // namespace image_writer