Revert of H.264 packetization mode 0 (try 2)

webrtc/video/video_send_stream_tests.cc

Index: webrtc/video/video_send_stream_tests.cc
diff --git a/webrtc/video/video_send_stream_tests.cc b/webrtc/video/video_send_stream_tests.cc
index a601a10f60ba7546abba2b834722eaae7fde925c..2b5c6e690976d8a4472ec0c00819ba6f9444543d 100644
--- a/webrtc/video/video_send_stream_tests.cc
+++ b/webrtc/video/video_send_stream_tests.cc
@@ -1970,7 +1970,6 @@
         num_initializations_(0),
         stream_(nullptr) {
     memset(&encoder_settings_, 0, sizeof(encoder_settings_));
-    InitCodecSpecifics();
   }
 
  private:
@@ -1994,8 +1993,6 @@
     }
   };
 
-  void InitCodecSpecifics();
-
   void ModifyVideoConfigs(
       VideoSendStream::Config* send_config,
       std::vector<VideoReceiveStream::Config>* receive_configs,
@@ -2060,20 +2057,11 @@
   VideoEncoderConfig encoder_config_;
 };
 
-template <typename T>
-void VideoCodecConfigObserver<T>::InitCodecSpecifics() {}
-
-template <>
-void VideoCodecConfigObserver<VideoCodecH264>::InitCodecSpecifics() {
-  encoder_settings_.packetization_mode = kH264PacketizationMode1;
-}
 template <>
 void VideoCodecConfigObserver<VideoCodecH264>::VerifyCodecSpecifics(
     const VideoCodec& config) const {
   EXPECT_EQ(
       0, memcmp(&config.H264(), &encoder_settings_, sizeof(encoder_settings_)));
-  // Check that packetization mode has propagated.
-  EXPECT_EQ(kH264PacketizationMode1, config.H264().packetization_mode);
 }
 
 template <>