Cast: IPC glue between cast library transport and encoders.

chrome/renderer/chrome_content_renderer_client.h

Index: chrome/renderer/chrome_content_renderer_client.h
diff --git a/chrome/renderer/chrome_content_renderer_client.h b/chrome/renderer/chrome_content_renderer_client.h
index d31e1c3d6f12a1a72456cbc91fd658bf7c68f5a6..0c8abe995f39e57cb47b129cd7329a919d549f84 100644
--- a/chrome/renderer/chrome_content_renderer_client.h
+++ b/chrome/renderer/chrome_content_renderer_client.h
@@ -13,6 +13,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "content/public/renderer/content_renderer_client.h"
+#include "ipc/ipc_channel_proxy.h"
 
 class ChromeRenderProcessObserver;
 class PrescientNetworkingDispatcher;
@@ -207,6 +208,7 @@ class ChromeContentRendererClient : public content::ContentRendererClient {
 #if defined(ENABLE_WEBRTC)
   scoped_refptr<WebRtcLoggingMessageFilter> webrtc_logging_message_filter_;
 #endif
+  scoped_refptr<IPC::ChannelProxy::MessageFilter> cast_dispatcher_;
   scoped_ptr<SearchBouncer> search_bouncer_;
 };