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

media/cast/sender/size_adaptable_video_encoder_base.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/cast/sender/size_adaptable_video_encoder_base.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 138 matching lines @@
   }
   status_change_cb_.Run(status);
 }
 
 void SizeAdaptableVideoEncoderBase::OnEncodedVideoFrame(
     const FrameEncodedCallback& frame_encoded_callback,
     std::unique_ptr<SenderEncodedFrame> encoded_frame) {
   DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN));
   --frames_in_encoder_;
   DCHECK_GE(frames_in_encoder_, 0);
-
-  if (encoded_frame)
-    next_frame_id_ = encoded_frame->frame_id + 1;
+  next_frame_id_ = encoded_frame->frame_id + 1;
   frame_encoded_callback.Run(std::move(encoded_frame));
 }
 
 }  // namespace cast
 }  // namespace media