Enable messaging over a navigator.connect initiated channel.

content/browser/message_port_service.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_MESSAGE_PORT_SERVICE_H_
 #define CONTENT_BROWSER_MESSAGE_PORT_SERVICE_H_
 
 #include <map>
 #include <utility>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/singleton.h"
 #include "base/strings/string16.h"
 #include "ipc/ipc_message.h"
 
 namespace content {
-class MessagePortMessageFilter;
+class MessagePortDelegate;
 
 class MessagePortService {
  public:
   typedef std::vector<std::pair<base::string16, std::vector<int> > >
       QueuedMessages;
 
   // Returns the MessagePortService singleton.
   static MessagePortService* GetInstance();
 
   // These methods correspond to the message port related IPCs.
   void Create(int route_id,
-              MessagePortMessageFilter* filter,
+              MessagePortDelegate* delegate,
               int* message_port_id);
   void Destroy(int message_port_id);
   void Entangle(int local_message_port_id, int remote_message_port_id);
   void PostMessage(int sender_message_port_id,
                    const base::string16& message,
                    const std::vector<int>& sent_message_port_ids);
   void QueueMessages(int message_port_id);
   void SendQueuedMessages(int message_port_id,
                           const QueuedMessages& queued_messages);
   void ReleaseMessages(int message_port_id);
 
   // Updates the information needed to reach a message port when it's sent to a
   // (possibly different) process.
-  void UpdateMessagePort(
-      int message_port_id,
-      MessagePortMessageFilter* filter,
-      int routing_id);
+  void UpdateMessagePort(int message_port_id,
+                         MessagePortDelegate* delegate,
+                         int routing_id);
 
   // The message port is being transferred to a new renderer process, but the
   // code doing that isn't able to immediately update the message port with a
   // new filter and routing_id. This queues up all messages sent to this port
   // until later ReleaseMessages is called for this port (this will happen
   // automatically as soon as a WebMessagePortChannelImpl instance is created
   // for this port in the renderer. The browser side code is still responsible
   // for updating the port with a new filter before that happens. If ultimately
   // transfering the port to a new process fails, ClosePort should be called to
   // clean up the port.
   void HoldMessages(int message_port_id);
 
   // Closes and cleans up the message port.
   void ClosePort(int message_port_id);
 
-  void OnMessagePortMessageFilterClosing(MessagePortMessageFilter* filter);
+  void OnMessagePortDelegateClosing(MessagePortDelegate* filter);
 
   // Attempts to send the queued messages for a message port.
   void SendQueuedMessagesIfPossible(int message_port_id);
 
  private:
   friend struct DefaultSingletonTraits<MessagePortService>;
 
   MessagePortService();
   ~MessagePortService();
 
@@ skipping 11 matching lines @@
 
   // We need globally unique identifiers for each message port.
   int next_message_port_id_;
 
   DISALLOW_COPY_AND_ASSIGN(MessagePortService);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MESSAGE_PORT_SERVICE_H_