Decouple IPC::MessageFilter from IPC::Channel

content/browser/renderer_host/media/media_stream_dispatcher_host.cc

 // Copyright (c) 2012 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.
 
 #include "content/browser/renderer_host/media/media_stream_dispatcher_host.h"
 
 #include "content/browser/browser_main_loop.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/common/media/media_stream_messages.h"
 #include "content/common/media/media_stream_options.h"
@@ skipping 99 matching lines @@
     IPC_MESSAGE_HANDLER(MediaStreamHostMsg_CloseDevice,
                         OnCloseDevice)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void MediaStreamDispatcherHost::OnChannelClosing() {
   DVLOG(1) << "MediaStreamDispatcherHost::OnChannelClosing";
 
-  // Since the IPC channel is gone, close all requesting/requested streams.
+  // Since the IPC sender is gone, close all requesting/requested streams.
   media_stream_manager_->CancelAllRequests(render_process_id_);
 }
 
 MediaStreamDispatcherHost::~MediaStreamDispatcherHost() {
 }
 
 void MediaStreamDispatcherHost::OnGenerateStream(
     int render_view_id,
     int page_request_id,
     const StreamOptions& components,
@@ skipping 107 matching lines @@
   if (!ChildProcessSecurityPolicyImpl::GetInstance()->CanRequestURL(
           render_process_id_, url)) {
     LOG(ERROR) << "MSDH: Renderer requested a URL it's not allowed to use.";
     return false;
   }
 
   return true;
 }
 
 }  // namespace content