ipc: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

ipc/ipc_sync_message_filter.cc

 // 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.
 
 #include "ipc/ipc_sync_message_filter.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
-#include "base/message_loop/message_loop_proxy.h"
+#include "base/single_thread_task_runner.h"
 #include "base/synchronization/waitable_event.h"
+#include "base/thread_task_runner_handle.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_sync_message.h"
 
-using base::MessageLoopProxy;
-
 namespace IPC {
 
 SyncMessageFilter::SyncMessageFilter(base::WaitableEvent* shutdown_event)
     : sender_(NULL),
-      listener_loop_(MessageLoopProxy::current()),
+      listener_task_runner_(base::ThreadTaskRunnerHandle::Get()),
       shutdown_event_(shutdown_event) {
 }
 
 bool SyncMessageFilter::Send(Message* message) {
   {
     base::AutoLock auto_lock(lock_);
-    if (!io_loop_.get()) {
+    if (!io_task_runner_.get()) {
       delete message;
       return false;
     }
   }
 
   if (!message->is_sync()) {
-    io_loop_->PostTask(
-      FROM_HERE, base::Bind(&SyncMessageFilter::SendOnIOThread, this, message));
+    io_task_runner_->PostTask(
+        FROM_HERE,
+        base::Bind(&SyncMessageFilter::SendOnIOThread, this, message));
     return true;
   }
 
   base::WaitableEvent done_event(true, false);
   PendingSyncMsg pending_message(
       SyncMessage::GetMessageId(*message),
       static_cast<SyncMessage*>(message)->GetReplyDeserializer(),
       &done_event);
 
   {
     base::AutoLock auto_lock(lock_);
     // Can't use this class on the main thread or else it can lead to deadlocks.
     // Also by definition, can't use this on IO thread since we're blocking it.
-    DCHECK(MessageLoopProxy::current().get() != listener_loop_.get());
-    DCHECK(MessageLoopProxy::current().get() != io_loop_.get());
+    if (base::ThreadTaskRunnerHandle::IsSet()) {
+      DCHECK(base::ThreadTaskRunnerHandle::Get() != listener_task_runner_);
+      DCHECK(base::ThreadTaskRunnerHandle::Get() != io_task_runner_);
+    }
     pending_sync_messages_.insert(&pending_message);
   }
 
-  io_loop_->PostTask(
+  io_task_runner_->PostTask(
       FROM_HERE, base::Bind(&SyncMessageFilter::SendOnIOThread, this, message));
 
   base::WaitableEvent* events[2] = { shutdown_event_, &done_event };
   base::WaitableEvent::WaitMany(events, 2);
 
   {
     base::AutoLock auto_lock(lock_);
     delete pending_message.deserializer;
     pending_sync_messages_.erase(&pending_message);
   }
 
   return pending_message.send_result;
 }
 
 void SyncMessageFilter::OnFilterAdded(Sender* sender) {
   sender_ = sender;
   base::AutoLock auto_lock(lock_);
-  io_loop_ = MessageLoopProxy::current();
+  io_task_runner_ = base::ThreadTaskRunnerHandle::Get();
 }
 
 void SyncMessageFilter::OnChannelError() {
   sender_ = NULL;
   SignalAllEvents();
 }
 
 void SyncMessageFilter::OnChannelClosing() {
   sender_ = NULL;
   SignalAllEvents();
@@ skipping 36 matching lines @@
 
 void SyncMessageFilter::SignalAllEvents() {
   base::AutoLock auto_lock(lock_);
   for (PendingSyncMessages::iterator iter = pending_sync_messages_.begin();
        iter != pending_sync_messages_.end(); ++iter) {
     (*iter)->done_event->Signal();
   }
 }
 
 }  // namespace IPC