Revert 276939 "Decouple IPC::MessageFilter from IPC::Channel"

chrome/renderer/media/webrtc_logging_message_filter.cc

Index: chrome/renderer/media/webrtc_logging_message_filter.cc
===================================================================
--- chrome/renderer/media/webrtc_logging_message_filter.cc	(revision 278168)
+++ chrome/renderer/media/webrtc_logging_message_filter.cc	(working copy)
@@ -14,7 +14,7 @@
     const scoped_refptr<base::MessageLoopProxy>& io_message_loop)
     : io_message_loop_(io_message_loop),
       log_message_delegate_(NULL),
-      sender_(NULL) {
+      channel_(NULL) {
   // May be null in a browsertest using MockRenderThread.
   if (io_message_loop_) {
     io_message_loop_->PostTask(
@@ -39,20 +39,20 @@
   return handled;
 }
 
-void WebRtcLoggingMessageFilter::OnFilterAdded(IPC::Sender* sender) {
+void WebRtcLoggingMessageFilter::OnFilterAdded(IPC::Channel* channel) {
   DCHECK(!io_message_loop_ || io_message_loop_->BelongsToCurrentThread());
-  sender_ = sender;
+  channel_ = channel;
 }
 
 void WebRtcLoggingMessageFilter::OnFilterRemoved() {
   DCHECK(!io_message_loop_ || io_message_loop_->BelongsToCurrentThread());
-  sender_ = NULL;
+  channel_ = NULL;
   log_message_delegate_->OnFilterRemoved();
 }
 
 void WebRtcLoggingMessageFilter::OnChannelClosing() {
   DCHECK(!io_message_loop_ || io_message_loop_->BelongsToCurrentThread());
-  sender_ = NULL;
+  channel_ = NULL;
   log_message_delegate_->OnFilterRemoved();
 }
 
@@ -85,10 +85,10 @@
 
 void WebRtcLoggingMessageFilter::Send(IPC::Message* message) {
   DCHECK(!io_message_loop_ || io_message_loop_->BelongsToCurrentThread());
-  if (!sender_) {
-    DLOG(ERROR) << "IPC sender not available.";
+  if (!channel_) {
+    DLOG(ERROR) << "IPC channel not available.";
     delete message;
   } else {
-    sender_->Send(message);
+    channel_->Send(message);
   }
 }