Reland of H.264 packetization mode 0 (try 3)

webrtc/modules/BUILD.gn

 # Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("../build/webrtc.gni")
 import("audio_coding/audio_coding.gni")
@@ skipping 526 matching lines @@
       ]
     } else {
       defines += [ "WEBRTC_INTELLIGIBILITY_ENHANCER=0" ]
     }
 
     if (rtc_libvpx_build_vp9) {
       sources +=
           [ "video_coding/codecs/vp9/vp9_screenshare_layers_unittest.cc" ]
     }
 
+    if (rtc_use_h264) {
+      sources += [ "video_coding/codecs/h264/h264_encoder_impl_unittest.cc" ]
+    }
+
     if (rtc_desktop_capture_supported || is_android) {
       deps += [ "desktop_capture" ]
       sources += [
         "desktop_capture/desktop_region_unittest.cc",
         "desktop_capture/differ_block_unittest.cc",
       ]
     }
 
     if (rtc_desktop_capture_supported) {
       deps += [ "desktop_capture:desktop_capture_mock" ]
@@ skipping 191 matching lines @@
       "../test:test_common",
       "../test:test_main",
       "remote_bitrate_estimator:bwe_simulator_lib",
       "video_capture",
       "//testing/gmock",
       "//testing/gtest",
       "//third_party/gflags",
     ]
   }
 }