Implements RTP header dumping.

content/public/test/mock_render_process_host.cc

Index: content/public/test/mock_render_process_host.cc
diff --git a/content/public/test/mock_render_process_host.cc b/content/public/test/mock_render_process_host.cc
index 50c19ee849d81fe6876e80482f353b4ed4ce8328..06d30dbbdefb1ca62636dbbbcfcb107961313637 100644
--- a/content/public/test/mock_render_process_host.cc
+++ b/content/public/test/mock_render_process_host.cc
@@ -237,6 +237,10 @@ void MockRenderProcessHost::DisableAecDump() {
 void MockRenderProcessHost::SetWebRtcLogMessageCallback(
     base::Callback<void(const std::string&)> callback) {
 }
+
+void MockRenderProcessHost::SetWebRtcRtpPacketCallback(
+    const WebRtcRtpPacketCallback& callback) {
+}
 #endif
 
 void MockRenderProcessHost::ResumeDeferredNavigation(