Completed the functionalities of SrtpTransport.

webrtc/pc/rtptransport.cc

Index: webrtc/pc/rtptransport.cc
diff --git a/webrtc/pc/rtptransport.cc b/webrtc/pc/rtptransport.cc
index 8a524dd07a3ab177ca95fb547c9e80adb7727ac7..acea71a598e0070886a8718d26811beb9b4faaa2 100644
--- a/webrtc/pc/rtptransport.cc
+++ b/webrtc/pc/rtptransport.cc
@@ -11,6 +11,7 @@
 #include "webrtc/pc/rtptransport.h"
 
 #include "webrtc/media/base/rtputils.h"
+#include "webrtc/p2p/base/dtlstransportinternal.h"  // For cricket::PF_NORMAL
 #include "webrtc/p2p/base/packettransportinterface.h"
 #include "webrtc/rtc_base/checks.h"
 #include "webrtc/rtc_base/copyonwritebuffer.h"
@@ -76,6 +77,16 @@ bool RtpTransport::IsWritable(bool rtcp) const {
   return transport && transport->writable();
 }
 
+bool RtpTransport::SendRtpPacket(rtc::CopyOnWriteBuffer* packet,
+                                 const rtc::PacketOptions& options) {
+  return SendPacket(false, packet, options, cricket::PF_NORMAL);
+}
+
+bool RtpTransport::SendRtcpPacket(rtc::CopyOnWriteBuffer* packet,
+                                  const rtc::PacketOptions& options) {
+  return SendPacket(true, packet, options, cricket::PF_NORMAL);
+}
+
 bool RtpTransport::SendPacket(bool rtcp,
                               rtc::CopyOnWriteBuffer* packet,
                               const rtc::PacketOptions& options,