SharedWorker: Remove message forwarding mechanism

content/browser/shared_worker/shared_worker_host.h

Index: content/browser/shared_worker/shared_worker_host.h
diff --git a/content/browser/shared_worker/shared_worker_host.h b/content/browser/shared_worker/shared_worker_host.h
index 32235254aca259bd06ea7eca889ddbc316e16b6b..b15a22abb775d5465be8900cd1152595fe3307b3 100644
--- a/content/browser/shared_worker/shared_worker_host.h
+++ b/content/browser/shared_worker/shared_worker_host.h
@@ -43,15 +43,19 @@ class SharedWorkerHost {
   // |filter_|.
   void Start(bool pause_on_start);
 
-  // Returns true iff the given message from a renderer process was forwarded to
-  // the worker.
-  bool FilterMessage(const IPC::Message& message,
-                     SharedWorkerMessageFilter* filter);
+  // Returns true if this host can handle a message associated with given route
+  // ID and filter.
+  bool CanHandleMessage(int route_id, SharedWorkerMessageFilter* filter);
 
   // Handles the shutdown of the filter. If the worker has no other client,
   // sends TerminateWorkerContext message to shut it down.
   void FilterShutdown(SharedWorkerMessageFilter* filter);
 
+  // Sends a connection message to the SharedWorker.
+  void Connect(int route_id,
+               int sent_message_port_id,
+               SharedWorkerMessageFilter* incoming_filter);
+
   // Shuts down any shared workers that are no longer referenced by active
   // documents.
   void DocumentDetached(SharedWorkerMessageFilter* filter,
@@ -109,11 +113,6 @@ class SharedWorkerHost {
 
   using FilterList = std::list<FilterInfo>;
 
-  // Relays |message| to the SharedWorker. Takes care of parsing the message if
-  // it contains a message port and sending it a valid route id.
-  void RelayMessage(const IPC::Message& message,
-                    SharedWorkerMessageFilter* incoming_filter);
-
   // Return a vector of all the render process/render frame IDs.
   std::vector<std::pair<int, int> > GetRenderFrameIDsForWorker();