Fire CanPlayThrough immediately for local and streaming media files

media/filters/chunk_demuxer.cc

Index: media/filters/chunk_demuxer.cc
diff --git a/media/filters/chunk_demuxer.cc b/media/filters/chunk_demuxer.cc
index c27c490e2f61b1e350e89e53566a2683c0978e08..d437d9108d6b938fe2b51b27bc10a4ce1c8ff861 100644
--- a/media/filters/chunk_demuxer.cc
+++ b/media/filters/chunk_demuxer.cc
@@ -369,6 +369,16 @@ int ChunkDemuxer::GetBitrate() {
   return 0;
 }
 
+bool ChunkDemuxer::IsLocalSource() {
+  // TODO(acolwell): Report whether source is local or not.
+  return false;
+}
+
+bool ChunkDemuxer::IsSeekable() {
+  // TODO(acolwell): Report whether source is seekable or not.
+  return true;
+}
+
 // Demuxer implementation.
 scoped_refptr<DemuxerStream> ChunkDemuxer::GetStream(
     DemuxerStream::Type type) {