Notify jitter buffer about received FEC packets (to avoid sending NACK request for these packets).

Don't copy codec specific header for empty packets in the jitter buffer.

BUG=3135
R=pbos@webrtc.org, stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/37659004

Cr-Commit-Position: refs/heads/master@{#8184}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8184 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/test/rtcp_packet_parser.cc b/webrtc/test/rtcp_packet_parser.cc
index 391be85..b9e430f 100644
--- a/webrtc/test/rtcp_packet_parser.cc
+++ b/webrtc/test/rtcp_packet_parser.cc
@@ -10,6 +10,8 @@
 
 #include "webrtc/test/rtcp_packet_parser.h"
 
+#include "testing/gtest/include/gtest/gtest.h"
+
 namespace webrtc {
 namespace test {
 
@@ -20,6 +22,7 @@
 void RtcpPacketParser::Parse(const void *data, size_t len) {
   const uint8_t* packet = static_cast<const uint8_t*>(data);
   RTCPUtility::RTCPParserV2 parser(packet, len, true);
+  EXPECT_TRUE(parser.IsValid());
   for (RTCPUtility::RTCPPacketTypes type = parser.Begin();
       type != RTCPUtility::kRtcpNotValidCode;
       type = parser.Iterate()) {