Decouple IPC::MessageFilter from IPC::Channel

content/common/child_process_host_impl.cc

Index: content/common/child_process_host_impl.cc
diff --git a/content/common/child_process_host_impl.cc b/content/common/child_process_host_impl.cc
index 1dccab0838504ffffcf51186cfaf5d23b451b06d..3c46b64fb062ba5d9aa336ffe324cd331179e932 100644
--- a/content/common/child_process_host_impl.cc
+++ b/content/common/child_process_host_impl.cc
@@ -144,7 +144,7 @@ ChildProcessHostImpl::ChildProcessHostImpl(ChildProcessHostDelegate* delegate)
 
 ChildProcessHostImpl::~ChildProcessHostImpl() {
   for (size_t i = 0; i < filters_.size(); ++i) {
-    filters_[i]->OnChannelClosing();
+    filters_[i]->OnSenderClosing();
     filters_[i]->OnFilterRemoved();
   }
 
@@ -278,7 +278,7 @@ void ChildProcessHostImpl::OnChannelConnected(int32 peer_pid) {
   opening_channel_ = false;
   delegate_->OnChannelConnected(peer_pid);
   for (size_t i = 0; i < filters_.size(); ++i)
-    filters_[i]->OnChannelConnected(peer_pid);
+    filters_[i]->OnSenderConnected();
 }
 
 void ChildProcessHostImpl::OnChannelError() {
@@ -286,7 +286,7 @@ void ChildProcessHostImpl::OnChannelError() {
   delegate_->OnChannelError();
 
   for (size_t i = 0; i < filters_.size(); ++i)
-    filters_[i]->OnChannelError();
+    filters_[i]->OnSenderError();
 
   // This will delete host_, which will also destroy this!
   delegate_->OnChildDisconnected();