Fire CanPlayThrough immediately for local and streaming media files

media/base/filter_host.h

Index: media/base/filter_host.h
diff --git a/media/base/filter_host.h b/media/base/filter_host.h
index 412fdd778c6ea1ee4d497d2ed7703f7d147c792b..c2514d5e2dbfb913717725739dcb5525b9bcb8a7 100644
--- a/media/base/filter_host.h
+++ b/media/base/filter_host.h
@@ -63,8 +63,11 @@ class MEDIA_EXPORT FilterHost {
   // endpoints such as renderers.
   virtual void NotifyEnded() = 0;
 
-  // Sets the flag to indicate that our media is now loaded.
-  virtual void SetLoaded(bool loaded) = 0;
+  // Sets the flag to indicate the source of the media is local, such as a
+  // local file on disk.
+  // NOTE: The "FromFilter" is unfortunate; it is needed so as not to conflict
+  // with the SetLocalSource method in the Pipeline interface.
+  virtual void SetLocalSourceFromFilter(bool local_source) = 0;
 
   // Sets the flag to indicate current network activity.
   virtual void SetNetworkActivity(bool is_downloading_data) = 0;