Implements RTP header dumping.

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 7d19b6f55387aa80794b08a7193c75ae3a31505c..609c522fcf3267a3f9a7fef8d5814b5190776685 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -1512,6 +1512,12 @@ void RenderProcessHostImpl::SetWebRtcLogMessageCallback(
     base::Callback<void(const std::string&)> callback) {
   webrtc_log_message_callback_ = callback;
 }
+
+void RenderProcessHostImpl::SetWebRtcRtpPacketCallback(
+    const WebRtcRtpPacketCallback& callback) {
+  webrtc_rtp_packet_callback_ = callback;
+}
+
 #endif
 
 IPC::ChannelProxy* RenderProcessHostImpl::GetChannel() {
@@ -1899,6 +1905,14 @@ void RenderProcessHostImpl::WebRtcLogMessage(const std::string& message) {
   if (!webrtc_log_message_callback_.is_null())
     webrtc_log_message_callback_.Run(message);
 }
+
+void RenderProcessHostImpl::OnRtpPacket(const uint8* packet,
+                                        size_t length,
+                                        bool incoming) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  if (!webrtc_rtp_packet_callback_.is_null())
+    webrtc_rtp_packet_callback_.Run(packet, length, incoming);
+}
 #endif
 
 scoped_refptr<ScreenOrientationDispatcherHost>