Modifying video_frame.cc to copy all metadata values, instead of only END_OF_STREAM, and updating u…

media/base/video_frame_metadata.cc

Index: media/base/video_frame_metadata.cc
diff --git a/media/base/video_frame_metadata.cc b/media/base/video_frame_metadata.cc
index 2ecf002550cd523d1c48dbee27144f5b47b9794d..6aa322669c822cbcc5b88a7ca57b31319fe2b385 100644
--- a/media/base/video_frame_metadata.cc
+++ b/media/base/video_frame_metadata.cc
@@ -145,6 +145,11 @@ void VideoFrameMetadata::MergeInternalValuesFrom(
   dictionary_.MergeDictionary(&in);
 }
 
+void VideoFrameMetadata::MergeMetadataFrom(
+    const VideoFrameMetadata* metadata_source) {
+  dictionary_.MergeDictionary(&metadata_source->dictionary_);
+}
+
 const base::BinaryValue* VideoFrameMetadata::GetBinaryValue(Key key) const {
   const base::Value* internal_value = nullptr;
   if (dictionary_.GetWithoutPathExpansion(ToInternalKey(key),