content: Use base::MessageLoop.

content/common/child_thread.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/common/child_thread.h"
 
 #include "base/allocator/allocator_extension.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/process.h"
@@ skipping 78 matching lines @@
 }
 
 ChildThread::ChildThread(const std::string& channel_name)
     : channel_name_(channel_name),
       channel_connected_factory_(this) {
   Init();
 }
 
 void ChildThread::Init() {
   on_channel_error_called_ = false;
-  message_loop_ = MessageLoop::current();
-  channel_.reset(new IPC::SyncChannel(channel_name_,
-      IPC::Channel::MODE_CLIENT, this,
-      ChildProcess::current()->io_message_loop_proxy(), true,
-      ChildProcess::current()->GetShutDownEvent()));
+  message_loop_ = base::MessageLoop::current();
+  channel_.reset(
+      new IPC::SyncChannel(channel_name_,
+                           IPC::Channel::MODE_CLIENT,
+                           this,
+                           ChildProcess::current()->io_message_loop_proxy(),
+                           true,
+                           ChildProcess::current()->GetShutDownEvent()));
 #ifdef IPC_MESSAGE_LOG_ENABLED
   IPC::Logging::GetInstance()->SetIPCSender(this);
 #endif
 
   resource_dispatcher_.reset(new ResourceDispatcher(this));
   socket_stream_dispatcher_.reset(new SocketStreamDispatcher());
   file_system_dispatcher_.reset(new FileSystemDispatcher());
   quota_dispatcher_.reset(new QuotaDispatcher());
 
   sync_message_filter_ =
       new IPC::SyncMessageFilter(ChildProcess::current()->GetShutDownEvent());
   thread_safe_sender_ =
       new ThreadSafeSender(base::MessageLoopProxy::current(),
                            sync_message_filter_);
   histogram_message_filter_ = new ChildHistogramMessageFilter();
 
   channel_->AddFilter(histogram_message_filter_.get());
   channel_->AddFilter(sync_message_filter_.get());
   channel_->AddFilter(new components::ChildTraceMessageFilter(
       ChildProcess::current()->io_message_loop_proxy()));
 
 #if defined(OS_POSIX)
   // Check that --process-type is specified so we don't do this in unit tests
   // and single-process mode.
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kProcessType))
     channel_->AddFilter(new SuicideOnChannelErrorFilter());
 #endif
 
-  MessageLoop::current()->PostDelayedTask(
+  base::MessageLoop::current()->PostDelayedTask(
       FROM_HERE,
       base::Bind(&ChildThread::EnsureConnected,
                  channel_connected_factory_.GetWeakPtr()),
       base::TimeDelta::FromSeconds(kConnectionTimeoutS));
 }
 
 ChildThread::~ChildThread() {
 #ifdef IPC_MESSAGE_LOG_ENABLED
   IPC::Logging::GetInstance()->SetIPCSender(NULL);
 #endif
@@ skipping 11 matching lines @@
   // but it wasn't possible to do so on POSIX.
   channel_->ClearIPCTaskRunner();
 }
 
 void ChildThread::OnChannelConnected(int32 peer_pid) {
   channel_connected_factory_.InvalidateWeakPtrs();
 }
 
 void ChildThread::OnChannelError() {
   set_on_channel_error_called(true);
-  MessageLoop::current()->Quit();
+  base::MessageLoop::current()->Quit();
 }
 
 bool ChildThread::Send(IPC::Message* msg) {
-  DCHECK(MessageLoop::current() == message_loop());
+  DCHECK(base::MessageLoop::current() == message_loop());
   if (!channel_) {
     delete msg;
     return false;
   }
 
   return channel_->Send(msg);
 }
 
 void ChildThread::AddRoute(int32 routing_id, IPC::Listener* listener) {
-  DCHECK(MessageLoop::current() == message_loop());
+  DCHECK(base::MessageLoop::current() == message_loop());
 
   router_.AddRoute(routing_id, listener);
 }
 
 void ChildThread::RemoveRoute(int32 routing_id) {
-  DCHECK(MessageLoop::current() == message_loop());
+  DCHECK(base::MessageLoop::current() == message_loop());
 
   router_.RemoveRoute(routing_id);
 }
 
 webkit_glue::ResourceLoaderBridge* ChildThread::CreateBridge(
     const webkit_glue::ResourceLoaderBridge::RequestInfo& request_info) {
   return resource_dispatcher()->CreateBridge(request_info);
 }
 
 base::SharedMemory* ChildThread::AllocateSharedMemory(size_t buf_size) {
@@ skipping 71 matching lines @@
     return OnControlMessageReceived(msg);
 
   return router_.OnMessageReceived(msg);
 }
 
 bool ChildThread::OnControlMessageReceived(const IPC::Message& msg) {
   return false;
 }
 
 void ChildThread::OnShutdown() {
-  MessageLoop::current()->Quit();
+  base::MessageLoop::current()->Quit();
 }
 
 #if defined(IPC_MESSAGE_LOG_ENABLED)
 void ChildThread::OnSetIPCLoggingEnabled(bool enable) {
   if (enable)
     IPC::Logging::GetInstance()->Enable();
   else
     IPC::Logging::GetInstance()->Disable();
 }
 #endif  //  IPC_MESSAGE_LOG_ENABLED
@@ skipping 39 matching lines @@
       ChildProcess::current()->main_thread() : NULL;
 }
 
 bool ChildThread::IsWebFrameValid(WebKit::WebFrame* frame) {
   // Return false so that it is overridden in any process in which it is used.
   return false;
 }
 
 void ChildThread::OnProcessFinalRelease() {
   if (on_channel_error_called_) {
-    MessageLoop::current()->Quit();
+    base::MessageLoop::current()->Quit();
     return;
   }
 
   // The child process shutdown sequence is a request response based mechanism,
   // where we send out an initial feeler request to the child process host
   // instance in the browser to verify if it's ok to shutdown the child process.
   // The browser then sends back a response if it's ok to shutdown. This avoids
   // race conditions if the process refcount is 0 but there's an IPC message
   // inflight that would addref it.
   Send(new ChildProcessHostMsg_ShutdownRequest);
 }
 
 void ChildThread::EnsureConnected() {
   LOG(INFO) << "ChildThread::EnsureConnected()";
   base::KillProcess(base::GetCurrentProcessHandle(), 0, false);
 }
 
 }  // namespace content