Decouple IPC::MessageFilter from IPC::Channel

content/browser/service_worker/service_worker_dispatcher_host.cc

Index: content/browser/service_worker/service_worker_dispatcher_host.cc
diff --git a/content/browser/service_worker/service_worker_dispatcher_host.cc b/content/browser/service_worker/service_worker_dispatcher_host.cc
index db9e37370298909b39859c34c36bd4fb252acde3..aaa632d14d1250ee7ad3486d0a63422d7909ee49 100644
--- a/content/browser/service_worker/service_worker_dispatcher_host.cc
+++ b/content/browser/service_worker/service_worker_dispatcher_host.cc
@@ -45,7 +45,7 @@ ServiceWorkerDispatcherHost::ServiceWorkerDispatcherHost(
                            arraysize(kFilteredMessageClasses)),
       render_process_id_(render_process_id),
       message_port_message_filter_(message_port_message_filter),
-      channel_ready_(false) {
+      sender_ready_(false) {
 }
 
 ServiceWorkerDispatcherHost::~ServiceWorkerDispatcherHost() {
@@ -70,9 +70,9 @@ void ServiceWorkerDispatcherHost::Init(
       render_process_id_, this);
 }
 
-void ServiceWorkerDispatcherHost::OnFilterAdded(IPC::Channel* channel) {
-  BrowserMessageFilter::OnFilterAdded(channel);
-  channel_ready_ = true;
+void ServiceWorkerDispatcherHost::OnFilterAdded(IPC::Sender* sender) {
+  BrowserMessageFilter::OnFilterAdded(sender);
+  sender_ready_ = true;
   std::vector<IPC::Message*> messages;
   pending_messages_.release(&messages);
   for (size_t i = 0; i < messages.size(); ++i) {
@@ -129,7 +129,7 @@ bool ServiceWorkerDispatcherHost::OnMessageReceived(
 }
 
 bool ServiceWorkerDispatcherHost::Send(IPC::Message* message) {
-  if (channel_ready_) {
+  if (sender_ready_) {
     BrowserMessageFilter::Send(message);
     // Don't bother passing through Send()'s result: it's not reliable.
     return true;