Revert of Remove calls to MessageLoop::current() in content.

content/child/child_thread_impl.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 "content/child/child_thread_impl.h"
 
 #include <signal.h>
 #include <string>
 #include <utility>
 
@@ skipping 559 matching lines @@
 void ChildThreadImpl::OnChannelConnected(int32_t peer_pid) {
   channel_connected_factory_.InvalidateWeakPtrs();
 }
 
 void ChildThreadImpl::OnChannelError() {
   on_channel_error_called_ = true;
   base::MessageLoop::current()->QuitWhenIdle();
 }
 
 bool ChildThreadImpl::Send(IPC::Message* msg) {
-  DCHECK(message_loop_->task_runner()->BelongsToCurrentThread());
+  DCHECK(base::MessageLoop::current() == message_loop());
   if (!channel_) {
     delete msg;
     return false;
   }
 
   return channel_->Send(msg);
 }
 
 #if defined(OS_WIN)
 void ChildThreadImpl::PreCacheFont(const LOGFONT& log_font) {
@@ skipping 37 matching lines @@
 
 shell::InterfaceRegistry* ChildThreadImpl::GetInterfaceRegistryForConnection() {
   return GetInterfaceRegistry();
 }
 
 shell::InterfaceProvider* ChildThreadImpl::GetInterfaceProviderForConnection() {
   return GetRemoteInterfaces();
 }
 
 IPC::MessageRouter* ChildThreadImpl::GetRouter() {
-  DCHECK(message_loop_->task_runner()->BelongsToCurrentThread());
+  DCHECK(base::MessageLoop::current() == message_loop());
   return &router_;
 }
 
 std::unique_ptr<base::SharedMemory> ChildThreadImpl::AllocateSharedMemory(
     size_t buf_size) {
-  DCHECK(message_loop_->task_runner()->BelongsToCurrentThread());
+  DCHECK(base::MessageLoop::current() == message_loop());
   return AllocateSharedMemory(buf_size, this, nullptr);
 }
 
 // static
 std::unique_ptr<base::SharedMemory> ChildThreadImpl::AllocateSharedMemory(
     size_t buf_size,
     IPC::Sender* sender,
     bool* out_of_memory) {
   std::unique_ptr<base::SharedMemory> shared_buf;
   // Ask the browser to create the shared memory, since this is blocked by the
@@ skipping 129 matching lines @@
 void ChildThreadImpl::EnsureConnected() {
   VLOG(0) << "ChildThreadImpl::EnsureConnected()";
   base::Process::Current().Terminate(0, false);
 }
 
 bool ChildThreadImpl::IsInBrowserProcess() const {
   return static_cast<bool>(browser_process_io_runner_);
 }
 
 }  // namespace content