Revert of Delete VideoFrame default constructor, and IsZeroSize method.

webrtc/media/engine/fakewebrtccall.cc

 /*
  *  Copyright (c) 2015 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.
  */
 
@@ skipping 143 matching lines @@
 
   *settings = vpx_settings_.vp9;
   return true;
 }
 
 int FakeVideoSendStream::GetNumberOfSwappedFrames() const {
   return num_swapped_frames_;
 }
 
 int FakeVideoSendStream::GetLastWidth() const {
-  return last_frame_->width();
+  return last_frame_.width();
 }
 
 int FakeVideoSendStream::GetLastHeight() const {
-  return last_frame_->height();
+  return last_frame_.height();
 }
 
 int64_t FakeVideoSendStream::GetLastTimestamp() const {
-  RTC_DCHECK(last_frame_->ntp_time_ms() == 0);
-  return last_frame_->render_time_ms();
+  RTC_DCHECK(last_frame_.ntp_time_ms() == 0);
+  return last_frame_.render_time_ms();
 }
 
 void FakeVideoSendStream::OnFrame(const webrtc::VideoFrame& frame) {
   ++num_swapped_frames_;
-  if (!last_frame_ ||
-      frame.width() != last_frame_->width() ||
-      frame.height() != last_frame_->height() ||
-      frame.rotation() != last_frame_->rotation()) {
+  if (frame.width() != last_frame_.width() ||
+      frame.height() != last_frame_.height() ||
+      frame.rotation() != last_frame_.rotation()) {
     video_streams_ = encoder_config_.video_stream_factory->CreateEncoderStreams(
         frame.width(), frame.height(), encoder_config_);
   }
-  last_frame_ = rtc::Optional<webrtc::VideoFrame>(frame);
+  last_frame_ = frame;
 }
 
 void FakeVideoSendStream::SetStats(
     const webrtc::VideoSendStream::Stats& stats) {
   stats_ = stats;
 }
 
 webrtc::VideoSendStream::Stats FakeVideoSendStream::GetStats() {
   return stats_;
 }
 
 void FakeVideoSendStream::EnableEncodedFrameRecording(
     const std::vector<rtc::PlatformFile>& files,
     size_t byte_limit) {
   for (rtc::PlatformFile file : files)
     rtc::ClosePlatformFile(file);
 }
 
 void FakeVideoSendStream::ReconfigureVideoEncoder(
     webrtc::VideoEncoderConfig config) {
-  int width, height;
-  if (last_frame_) {
-    width = last_frame_->width();
-    height = last_frame_->height();
-  } else {
-    width = height = 0;
-  }
   video_streams_ = config.video_stream_factory->CreateEncoderStreams(
-      width, height, config);
+      last_frame_.width(), last_frame_.height(), config);
   if (config.encoder_specific_settings != NULL) {
     if (config_.encoder_settings.payload_name == "VP8") {
       config.encoder_specific_settings->FillVideoCodecVp8(&vpx_settings_.vp8);
       if (!video_streams_.empty()) {
         vpx_settings_.vp8.numberOfTemporalLayers = static_cast<unsigned char>(
             video_streams_.back().temporal_layer_thresholds_bps.size() + 1);
       }
     } else if (config_.encoder_settings.payload_name == "VP9") {
       config.encoder_specific_settings->FillVideoCodecVp9(&vpx_settings_.vp9);
       if (!video_streams_.empty()) {
@@ skipping 365 matching lines @@
 }
 
 void FakeCall::OnSentPacket(const rtc::SentPacket& sent_packet) {
   last_sent_packet_ = sent_packet;
   if (sent_packet.packet_id >= 0) {
     last_sent_nonnegative_packet_id_ = sent_packet.packet_id;
   }
 }
 
 }  // namespace cricket