Allow setting memory limits on media::DemuxerStream

chromecast/media/cma/test/demuxer_stream_for_test.h

Index: chromecast/media/cma/test/demuxer_stream_for_test.h
diff --git a/chromecast/media/cma/test/demuxer_stream_for_test.h b/chromecast/media/cma/test/demuxer_stream_for_test.h
index afa7aae05bf116f3276a04be6caa2e5b3728a57d..8e06218407d261d2e6cff75dd8dd571e70135738 100644
--- a/chromecast/media/cma/test/demuxer_stream_for_test.h
+++ b/chromecast/media/cma/test/demuxer_stream_for_test.h
@@ -46,6 +46,8 @@ class DemuxerStreamForTest : public ::media::DemuxerStream {
   Type type() const override;
   bool SupportsConfigChanges() override;
   ::media::VideoRotation video_rotation() override;
+  size_t GetMemoryLimit() const override;
+  void SetMemoryLimit(size_t memory_limit) override;
 
   bool has_pending_read() const { return has_pending_read_; }