Fire CanPlayThrough immediately for local and streaming media files

media/base/pipeline.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // The pipeline is the public API clients use for playing back media.  Clients
 // provide a filter collection containing the filters they want the pipeline to
 // use to render media.
 
 #ifndef MEDIA_BASE_PIPELINE_H_
 #define MEDIA_BASE_PIPELINE_H_
@@ skipping 145 matching lines @@
 
   // Gets the natural size of the video output in pixel units.  If there is no
   // video or the video has not been rendered yet, the width and height will
   // be 0.
   virtual void GetNaturalVideoSize(gfx::Size* out_size) const = 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;
 
-  // If this method returns true, that means the data source has fully loaded
-  // the media and that the network is no longer needed.
-  virtual bool IsLoaded() const = 0;
+  // If this method returns true, that means the data source is local and
+  // the network is not needed.
+  virtual bool IsLocalSource() const = 0;
 
   // Gets the current pipeline statistics.
   virtual PipelineStatistics GetStatistics() const = 0;
 
  protected:
   // Only allow ourselves to be deleted by reference counting.
   friend class base::RefCountedThreadSafe<Pipeline>;
   virtual ~Pipeline() {}
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_PIPELINE_H_