Remove VideoRenderer::Pause() as it serves no real purpose.

media/base/video_renderer.h

Index: media/base/video_renderer.h
diff --git a/media/base/video_renderer.h b/media/base/video_renderer.h
index 27e4bf5e0499465200653efcd13f7e386e00b8b0..b4154a0410bd93e22731b585efce13756abd5967 100644
--- a/media/base/video_renderer.h
+++ b/media/base/video_renderer.h
@@ -57,11 +57,8 @@ class MEDIA_EXPORT VideoRenderer {
   // |callback| when playback is underway.
   virtual void Play(const base::Closure& callback) = 0;
 
-  // Temporarily suspend decoding and rendering video, executing |callback| when
-  // playback has been suspended.
-  virtual void Pause(const base::Closure& callback) = 0;
-
-  // Discard any video data, executing |callback| when completed.
+  // Discard any video data and stop reading from |stream|, executing |callback|
+  // when completed.
   virtual void Flush(const base::Closure& callback) = 0;
 
   // Start prerolling video data. If |time| equals kNoTimestamp() then all