Cleanup IPC::ChannelProxy to use SingleThreadTaskRunner

ipc/ipc_sync_channel.h

 // 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.
 
 #ifndef IPC_IPC_SYNC_CHANNEL_H_
 #define IPC_IPC_SYNC_CHANNEL_H_
 #pragma once
 
 #include <string>
 #include <deque>
@@ skipping 53 matching lines @@
  public:
   enum RestrictDispatchGroup {
     kRestrictDispatchGroup_None = 0,
   };
 
   // Creates and initializes a sync channel. If create_pipe_now is specified,
   // the channel will be initialized synchronously.
   SyncChannel(const IPC::ChannelHandle& channel_handle,
               Channel::Mode mode,
               Listener* listener,
-              base::MessageLoopProxy* ipc_message_loop,
+              base::SingleThreadTaskRunner* ipc_task_runner,
               bool create_pipe_now,
               base::WaitableEvent* shutdown_event);
 
   // Creates an uninitialized sync channel. Call ChannelProxy::Init to
   // initialize the channel. This two-step setup allows message filters to be
   // added before any messages are sent or received.
   SyncChannel(Listener* listener,
-              base::MessageLoopProxy* ipc_message_loop,
+              base::SingleThreadTaskRunner* ipc_task_runner,
               base::WaitableEvent* shutdown_event);
 
   virtual ~SyncChannel();
 
   virtual bool Send(Message* message) OVERRIDE;
   virtual bool SendWithTimeout(Message* message, int timeout_ms);
 
   // Whether we allow sending messages with no time-out.
   void set_sync_messages_with_no_timeout_allowed(bool value) {
     sync_messages_with_no_timeout_allowed_ = value;
@@ skipping 20 matching lines @@
   class ReceivedSyncMsgQueue;
   friend class ReceivedSyncMsgQueue;
 
   // SyncContext holds the per object data for SyncChannel, so that SyncChannel
   // can be deleted while it's being used in a different thread.  See
   // ChannelProxy::Context for more information.
   class SyncContext : public Context,
                       public base::WaitableEventWatcher::Delegate {
    public:
     SyncContext(Listener* listener,
-                base::MessageLoopProxy* ipc_thread,
+                base::SingleThreadTaskRunner* ipc_task_runner,
                 base::WaitableEvent* shutdown_event);
 
     // Adds information about an outgoing sync message to the context so that
     // we know how to deserialize the reply.
     void Push(SyncMessage* sync_msg);
 
     // Cleanly remove the top deserializer (and throw it away).  Returns the
     // result of the Send call for that message.
     bool Pop();
 
@@ skipping 84 matching lines @@
 
   // Used to signal events between the IPC and listener threads.
   base::WaitableEventWatcher dispatch_watcher_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncChannel);
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_SYNC_CHANNEL_H_