Implements RTP header dumping.

content/browser/renderer_host/p2p/socket_dispatcher_host.h

Index: content/browser/renderer_host/p2p/socket_dispatcher_host.h
diff --git a/content/browser/renderer_host/p2p/socket_dispatcher_host.h b/content/browser/renderer_host/p2p/socket_dispatcher_host.h
index 1f456915b24bfd20fb1cb109c5b02797119fe6b8..f48d05ea69cbebafb155d8db877a26ff9457f306 100644
--- a/content/browser/renderer_host/p2p/socket_dispatcher_host.h
+++ b/content/browser/renderer_host/p2p/socket_dispatcher_host.h
@@ -14,6 +14,7 @@
 #include "content/common/p2p_socket_type.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/browser/render_process_host.h"
 #include "net/base/ip_endpoint.h"
 #include "net/base/network_change_notifier.h"
 
@@ -46,6 +47,15 @@ class P2PSocketDispatcherHost
   // net::NetworkChangeNotifier::IPAddressObserver interface.
   virtual void OnIPAddressChanged() OVERRIDE;
 
+  // Starts the RTP packet header dumping. Must be called on the IO thread.
+  void StartRtpDump(
+      bool incoming,
+      bool outgoing,
+      const RenderProcessHost::WebRtcRtpPacketCallback& packet_callback);
+
+  // Stops the RTP packet header dumping. Must be Called on the UI thread.
+  void StopRtpDumpOnUIThread(bool incoming, bool outgoing);
+
  protected:
   virtual ~P2PSocketDispatcherHost();
 
@@ -87,6 +97,8 @@ class P2PSocketDispatcherHost
   void OnAddressResolved(DnsRequest* request,
                          const net::IPAddressList& addresses);
 
+  void StopRtpDumpOnIOThread(bool incoming, bool outgoing);
+
   content::ResourceContext* resource_context_;
   scoped_refptr<net::URLRequestContextGetter> url_context_;
 
@@ -97,6 +109,10 @@ class P2PSocketDispatcherHost
   std::set<DnsRequest*> dns_requests_;
   P2PMessageThrottler throttler_;
 
+  bool dump_incoming_rtp_packet_;
+  bool dump_outgoing_rtp_packet_;
+  RenderProcessHost::WebRtcRtpPacketCallback packet_callback_;
+
   DISALLOW_COPY_AND_ASSIGN(P2PSocketDispatcherHost);
 };