[chrome/utility] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

chrome/utility/image_writer/disk_unmounter_mac.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/disk_unmounter_mac.h"
 
 #include <sys/socket.h>
 #include <IOKit/storage/IOStorageProtocolCharacteristics.h>
 
 #include "base/message_loop/message_loop_proxy.h"

[Lei Zhang, 2015/04/28 05:47:24]

Remove this as well? You probably need to add base/thread_task_runner_handle.h,
just like in chrome/utility/media_galleries/ipc_data_source.cc.

[Pranay, 2015/05/04 03:32:25]

Done.

 #include "base/message_loop/message_pump_mac.h"
 #include "base/posix/eintr_wrapper.h"
 #include "chrome/utility/image_writer/error_messages.h"
 #include "chrome/utility/image_writer/image_writer.h"
 
 namespace image_writer {
 
 DiskUnmounterMac::DiskUnmounterMac() : cf_thread_("ImageWriterDiskArb") {
   base::Thread::Options options;
   options.message_pump_factory = base::Bind(&CreateMessagePump);
 
   cf_thread_.StartWithOptions(options);
 }
 
 DiskUnmounterMac::~DiskUnmounterMac() {
   if (disk_)
     DADiskUnclaim(disk_);
 }
 
 void DiskUnmounterMac::Unmount(const std::string& device_path,
                                const base::Closure& success_continuation,
                                const base::Closure& failure_continuation) {
   // Should only be used once.
   DCHECK(!original_thread_.get());
-  original_thread_ = base::MessageLoopProxy::current();
+  original_thread_ = base::ThreadTaskRunnerHandle::Get();
   success_continuation_ = success_continuation;
   failure_continuation_ = failure_continuation;
 
   cf_thread_.message_loop()->PostTask(
       FROM_HERE,
       base::Bind(&DiskUnmounterMac::UnmountOnWorker,
                  base::Unretained(this),
                  device_path));
 }
 
@@ skipping 70 matching lines @@
               this,
               DiskClaimed,
               this);
 }
 
 void DiskUnmounterMac::Error() {
   original_thread_->PostTask(FROM_HERE, failure_continuation_);
 }
 
 }  // namespace image_writer