Switch IPC::ChannelProxy to use MessageLoopProxy instead of MessageLoop. This allows us to remov...

content/renderer/plugin_channel_host.cc

Index: content/renderer/plugin_channel_host.cc
===================================================================
--- content/renderer/plugin_channel_host.cc	(revision 83679)
+++ content/renderer/plugin_channel_host.cc	(working copy)
@@ -68,7 +68,8 @@
 }
 
 PluginChannelHost* PluginChannelHost::GetPluginChannelHost(
-    const IPC::ChannelHandle& channel_handle, MessageLoop* ipc_message_loop) {
+    const IPC::ChannelHandle& channel_handle,
+    base::MessageLoopProxy* ipc_message_loop) {
   PluginChannelHost* result =
       static_cast<PluginChannelHost*>(PluginChannelBase::GetChannel(
           channel_handle,
@@ -85,7 +86,7 @@
 PluginChannelHost::~PluginChannelHost() {
 }
 
-bool PluginChannelHost::Init(MessageLoop* ipc_message_loop,
+bool PluginChannelHost::Init(base::MessageLoopProxy* ipc_message_loop,
                              bool create_pipe_now) {
   bool ret = PluginChannelBase::Init(ipc_message_loop, create_pipe_now);
   is_listening_filter_ = new IsListeningFilter;