Fix media timeline so that thumb never exceeds buffered data

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 4719618e434f014e16b39dc81697a3741a9d8b44..361550e2a3a937c37950b1234ee0664c82307ede 100644
--- a/media/base/filter_host.h
+++ b/media/base/filter_host.h
@@ -36,10 +36,6 @@ class MEDIA_EXPORT FilterHost {
   // Gets the duration.
   virtual base::TimeDelta GetDuration() const = 0;
 
-  // Updates the current time.  Other filters should poll to examine the updated
-  // time.
-  virtual void SetTime(base::TimeDelta time) = 0;
-
   // Sets the natural size of the video output in pixel units.
   virtual void SetNaturalVideoSize(const gfx::Size& size) = 0;