Wire up transport sequence number / send time callbacks to webrtc via libjingle.

talk/media/webrtc/webrtcvideoengine2_unittest.cc

Index: talk/media/webrtc/webrtcvideoengine2_unittest.cc
diff --git a/talk/media/webrtc/webrtcvideoengine2_unittest.cc b/talk/media/webrtc/webrtcvideoengine2_unittest.cc
index 3c187b3702ff8e64a61ae4fe6417a0958ba80545..6946f644be28fae8d5c4f204b649e13a00218c41 100644
--- a/talk/media/webrtc/webrtcvideoengine2_unittest.cc
+++ b/talk/media/webrtc/webrtcvideoengine2_unittest.cc
@@ -258,6 +258,19 @@ TEST_F(WebRtcVideoEngine2Test, SupportsAbsoluteSenderTimeHeaderExtension) {
   FAIL() << "Absolute Sender Time extension not in header-extension list.";
 }
 
+TEST_F(WebRtcVideoEngine2Test, SupportsTransportSequenceNumberHeaderExtension) {
+  std::vector<RtpHeaderExtension> extensions = engine_.rtp_header_extensions();
+  ASSERT_FALSE(extensions.empty());
+  for (size_t i = 0; i < extensions.size(); ++i) {
+    if (extensions[i].uri == kRtpTransportSequenceNumberHeaderExtension) {
+      EXPECT_EQ(kRtpTransportSequenceNumberHeaderExtensionDefaultId,
+                extensions[i].id);
+      return;
+    }
+  }
+  FAIL() << "Transport sequence number extension not in header-extension list.";
+}
+
 TEST_F(WebRtcVideoEngine2Test, SupportsVideoRotationHeaderExtension) {
   std::vector<RtpHeaderExtension> extensions = engine_.rtp_header_extensions();
   ASSERT_FALSE(extensions.empty());
@@ -1175,6 +1188,18 @@ TEST_F(WebRtcVideoChannel2Test, RecvAbsoluteSendTimeHeaderExtensions) {
                                  webrtc::RtpExtension::kAbsSendTime);
 }
 
+// Test support for transport sequence number header extension.
+TEST_F(WebRtcVideoChannel2Test, SendTransportSequenceNumberHeaderExtensions) {
+  TestSetSendRtpHeaderExtensions(
+      kRtpTransportSequenceNumberHeaderExtension,
+      webrtc::RtpExtension::kTransportSequenceNumber);
+}
+TEST_F(WebRtcVideoChannel2Test, RecvTransportSequenceNumberHeaderExtensions) {
+  TestSetRecvRtpHeaderExtensions(
+      kRtpTransportSequenceNumberHeaderExtension,
+      webrtc::RtpExtension::kTransportSequenceNumber);
+}
+
 // Test support for video rotation header extension.
 TEST_F(WebRtcVideoChannel2Test, SendVideoRotationHeaderExtensions) {
   TestSetSendRtpHeaderExtensions(kRtpVideoRotationHeaderExtension,