Fire CanPlayThrough immediately for local and streaming media files

media/base/pipeline.h

Index: media/base/pipeline.h
diff --git a/media/base/pipeline.h b/media/base/pipeline.h
index 1c91f80848a6afb99a004e26b27b9e8ee5ef8227..67bbb3c32d168c3f85a37d8eb8ccd7a9364be535 100644
--- a/media/base/pipeline.h
+++ b/media/base/pipeline.h
@@ -159,6 +159,10 @@ class MEDIA_EXPORT Pipeline : public base::RefCountedThreadSafe<Pipeline> {
   // be 0.
   virtual void GetNaturalVideoSize(gfx::Size* out_size) const = 0;
 
+  // Sets whether the source of the media is a MediaStream (e.g. video capture
+  // from a local source).
+  virtual void SetMediaStream(bool is_media_stream) = 0;
+
   // If this method returns true, that means the data source is a streaming
   // data source. Seeking may not be possible.
   virtual bool IsStreaming() const = 0;