[chrome/renderer/media] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

chrome/renderer/media/cast_ipc_dispatcher.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/renderer/media/cast_ipc_dispatcher.h"
 
+#include "base/single_thread_task_runner.h"
 #include "chrome/common/cast_messages.h"
 #include "chrome/renderer/media/cast_transport_sender_ipc.h"
 #include "ipc/ipc_message_macros.h"
 
 CastIPCDispatcher* CastIPCDispatcher::global_instance_ = NULL;
 
 CastIPCDispatcher::CastIPCDispatcher(
-    const scoped_refptr<base::MessageLoopProxy>& io_message_loop)
+    const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner)
     : sender_(NULL),
-      io_message_loop_(io_message_loop) {
-  DCHECK(io_message_loop_.get());
+      io_task_runner_(io_task_runner) {
+  DCHECK(io_task_runner_.get());
   DCHECK(!global_instance_);
 }
 
 CastIPCDispatcher::~CastIPCDispatcher() {
-  DCHECK(io_message_loop_->BelongsToCurrentThread());
+  DCHECK(io_task_runner_->BelongsToCurrentThread());
   DCHECK(!global_instance_);
 }
 
 CastIPCDispatcher* CastIPCDispatcher::Get() {
   return global_instance_;
 }
 
 void CastIPCDispatcher::Send(IPC::Message* message) {
-  DCHECK(io_message_loop_->BelongsToCurrentThread());
+  DCHECK(io_task_runner_->BelongsToCurrentThread());
   if (sender_) {
     sender_->Send(message);
   } else {
     delete message;
   }
 }
 
 int32 CastIPCDispatcher::AddSender(CastTransportSenderIPC* sender) {
   return id_map_.Add(sender);
 }
 
 void CastIPCDispatcher::RemoveSender(int32 channel_id) {
   return id_map_.Remove(channel_id);
 }
 
 bool CastIPCDispatcher::OnMessageReceived(const IPC::Message& message) {
-  DCHECK(io_message_loop_->BelongsToCurrentThread());
+  DCHECK(io_task_runner_->BelongsToCurrentThread());
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(CastIPCDispatcher, message)
     IPC_MESSAGE_HANDLER(CastMsg_NotifyStatusChange, OnNotifyStatusChange)
     IPC_MESSAGE_HANDLER(CastMsg_RawEvents, OnRawEvents)
     IPC_MESSAGE_HANDLER(CastMsg_Rtt, OnRtt)
     IPC_MESSAGE_HANDLER(CastMsg_RtcpCastMessage, OnRtcpCastMessage)
     IPC_MESSAGE_HANDLER(CastMsg_ReceivedPacket, OnReceivedPacket)
     IPC_MESSAGE_UNHANDLED(handled = false);
   IPC_END_MESSAGE_MAP();
   return handled;
 }
 
 void CastIPCDispatcher::OnFilterAdded(IPC::Sender* sender) {
-  DCHECK(io_message_loop_->BelongsToCurrentThread());
+  DCHECK(io_task_runner_->BelongsToCurrentThread());
   DCHECK(!global_instance_);
   global_instance_ = this;
   sender_ = sender;
 }
 
 void CastIPCDispatcher::OnFilterRemoved() {
-  DCHECK(io_message_loop_->BelongsToCurrentThread());
+  DCHECK(io_task_runner_->BelongsToCurrentThread());
   DCHECK_EQ(this, global_instance_);
   global_instance_ = NULL;
   sender_ = NULL;
 }
 
 void CastIPCDispatcher::OnChannelClosing() {
-  DCHECK(io_message_loop_->BelongsToCurrentThread());
+  DCHECK(io_task_runner_->BelongsToCurrentThread());
   DCHECK_EQ(this, global_instance_);
 }
 
 void CastIPCDispatcher::OnNotifyStatusChange(
     int32 channel_id,
     media::cast::CastTransportStatus status) {
   CastTransportSenderIPC* sender = id_map_.Lookup(channel_id);
   if (sender) {
     sender->OnNotifyStatusChange(status);
   } else {
@@ skipping 40 matching lines @@
 void CastIPCDispatcher::OnReceivedPacket(
     int32 channel_id,
     const media::cast::Packet& packet) {
   CastTransportSenderIPC* sender = id_map_.Lookup(channel_id);
   if (sender) {
     sender->OnReceivedPacket(packet);
   } else {
     DVLOG(1) << "CastIPCDispatcher::OnReceievdPacket on non-existing channel.";
   }
 }