Allow setting memory limits on media::DemuxerStream

media/base/mock_filters.h

Index: media/base/mock_filters.h
diff --git a/media/base/mock_filters.h b/media/base/mock_filters.h
index 0f0b7ce70f004cca950c9eea9f677fd4429452bc..6992f290b0152fdc90a46d9448dc73d9fbe000ce 100644
--- a/media/base/mock_filters.h
+++ b/media/base/mock_filters.h
@@ -65,6 +65,8 @@ class MockDemuxerStream : public DemuxerStream {
   void set_liveness(Liveness liveness);
 
   VideoRotation video_rotation() override;
+  int GetMemoryLimit() const override;
+  void SetMemoryLimit(int memory_limit) override;
 
  private:
   Type type_;