Rename AudioRenderer::Play/Pause() to Start/StopRendering().

media/base/audio_renderer.h

Index: media/base/audio_renderer.h
diff --git a/media/base/audio_renderer.h b/media/base/audio_renderer.h
index 36890f6b23c9208e2533d483822bf881053fbdd9..2d7d3e18a2bce90a74353d283df90de8bcb7aca0 100644
--- a/media/base/audio_renderer.h
+++ b/media/base/audio_renderer.h
@@ -49,11 +49,11 @@ class MEDIA_EXPORT AudioRenderer {
 
   // Signal audio playback to start at the current rate. It is expected that
   // |time_cb| will eventually start being run with time updates.
-  virtual void Play() = 0;
+  virtual void StartRendering() = 0;
 
   // Signal audio playback to stop until further notice. It is expected that
   // |time_cb| will no longer be run.
-  virtual void Pause() = 0;
+  virtual void StopRendering() = 0;
 
   // Discard any audio data, executing |callback| when completed.
   virtual void Flush(const base::Closure& callback) = 0;