Memory copy the VideoFrame to match the requirement for HW encoders.

media/cast/sender/size_adaptable_video_encoder_base.cc

Index: media/cast/sender/size_adaptable_video_encoder_base.cc
diff --git a/media/cast/sender/size_adaptable_video_encoder_base.cc b/media/cast/sender/size_adaptable_video_encoder_base.cc
index 6d1399fb154424461817135ac0eb668d955adef4..9f0d51171ab1d42aa0550b5fcfc24718a2d1dd40 100644
--- a/media/cast/sender/size_adaptable_video_encoder_base.cc
+++ b/media/cast/sender/size_adaptable_video_encoder_base.cc
@@ -79,8 +79,8 @@ void SizeAdaptableVideoEncoderBase::GenerateKeyFrame() {
     encoder_->GenerateKeyFrame();
 }
 
-scoped_ptr<VideoFrameFactory>
-    SizeAdaptableVideoEncoderBase::CreateVideoFrameFactory() {
+std::unique_ptr<VideoFrameFactory>
+SizeAdaptableVideoEncoderBase::CreateVideoFrameFactory() {
   DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN));
   return nullptr;
 }
@@ -152,10 +152,16 @@ void SizeAdaptableVideoEncoderBase::OnEncoderStatusChange(
 
 void SizeAdaptableVideoEncoderBase::OnEncodedVideoFrame(
     const FrameEncodedCallback& frame_encoded_callback,
-    scoped_ptr<SenderEncodedFrame> encoded_frame) {
+    std::unique_ptr<SenderEncodedFrame> encoded_frame) {
   DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN));
   --frames_in_encoder_;
   DCHECK_GE(frames_in_encoder_, 0);
+  // Encoding was exited with errors.

[miu, 2016/05/03 19:05:43]

nit: Simplify:

  if (encoded_frame)
    last_frame_id_ = encoded_frame->frame_id;
  frame_encoded_callback.Run(std::move(encoded_frame));

[xjz, 2016/05/03 23:30:15]

Done.

+  if (!encoded_frame) {
+    frame_encoded_callback.Run(std::move(encoded_frame));
+    return;
+  }
+
   last_frame_id_ = encoded_frame->frame_id;
   frame_encoded_callback.Run(std::move(encoded_frame));
 }