Delete method webrtc::VideoFrame::allocated_size and enum PlaneType.

webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc

Index: webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc
diff --git a/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc b/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc
index 3cc08d27dd972d96402f86351e32ade2f1021bca..d67a43420c45f9746870f3cf3df856def1a921d5 100644
--- a/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc
+++ b/webrtc/modules/video_coding/codecs/h264/h264_decoder_impl.cc
@@ -347,11 +347,11 @@ int32_t H264DecoderImpl::Decode(const EncodedImage& input_image,
   VideoFrame* video_frame = static_cast<VideoFrame*>(
       av_buffer_get_opaque(av_frame_->buf[0]));
   RTC_DCHECK(video_frame);
-  RTC_CHECK_EQ(av_frame_->data[kYPlane],
+  RTC_CHECK_EQ(av_frame_->data[kYPlaneIndex],
                video_frame->video_frame_buffer()->DataY());
-  RTC_CHECK_EQ(av_frame_->data[kUPlane],
+  RTC_CHECK_EQ(av_frame_->data[kUPlaneIndex],
                video_frame->video_frame_buffer()->DataU());
-  RTC_CHECK_EQ(av_frame_->data[kVPlane],
+  RTC_CHECK_EQ(av_frame_->data[kVPlaneIndex],
                video_frame->video_frame_buffer()->DataV());
   video_frame->set_timestamp(input_image._timeStamp);