Style fixes in rtcp_packet/

webrtc/modules/rtp_rtcp/source/rtcp_packet/pli.cc

Index: webrtc/modules/rtp_rtcp/source/rtcp_packet/pli.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_packet/pli.cc b/webrtc/modules/rtp_rtcp/source/rtcp_packet/pli.cc
index 7838fccf8255c659681f29f13698a5c49f8540f3..ade6c2a874d70823d2599b6daa5df33ce1257c2a 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_packet/pli.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_packet/pli.cc
@@ -49,6 +49,10 @@ bool Pli::Parse(const CommonHeader& packet) {
   return true;
 }
 
+size_t Pli::BlockLength() const {
+  return kHeaderLength + kCommonFeedbackLength;
+}
+
 bool Pli::Create(uint8_t* packet,
                  size_t* index,
                  size_t max_length,