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

talk/session/media/channelmanager_unittest.cc

Index: talk/session/media/channelmanager_unittest.cc
diff --git a/talk/session/media/channelmanager_unittest.cc b/talk/session/media/channelmanager_unittest.cc
index 6074d6431a1c5586ce30c0640ae661f46f1e86e0..3082b50f5acf31e40daaaf00e4528374141b3b41 100644
--- a/talk/session/media/channelmanager_unittest.cc
+++ b/talk/session/media/channelmanager_unittest.cc
@@ -53,7 +53,7 @@ static const VideoCodec kVideoCodecs[] = {
 class FakeMediaController : public webrtc::MediaControllerInterface {
  public:
   explicit FakeMediaController(webrtc::Call* call) : call_(call) {
-    RTC_DCHECK(nullptr != call);
+    RTC_DCHECK(nullptr != call_);
   }
   ~FakeMediaController() override {}
   webrtc::Call* call_w() override { return call_; }