Remove the lies WebMediaPlayerImpl is telling V8.

content/renderer/media/webmediaplayer_impl.h

Index: content/renderer/media/webmediaplayer_impl.h
diff --git a/content/renderer/media/webmediaplayer_impl.h b/content/renderer/media/webmediaplayer_impl.h
index 2fbad2e70a09cb18dc45974d23969a45e6c0d34f..8631ecf853ee2b290e026c65206d3bdcf9a1c354 100644
--- a/content/renderer/media/webmediaplayer_impl.h
+++ b/content/renderer/media/webmediaplayer_impl.h
@@ -199,9 +199,6 @@ class WebMediaPlayerImpl
   void SetNetworkState(blink::WebMediaPlayer::NetworkState state);
   void SetReadyState(blink::WebMediaPlayer::ReadyState state);
 
-  // Lets V8 know that player uses extra resources not managed by V8.
-  void IncrementExternallyAllocatedMemory();
-
   // Gets the duration value reported by the pipeline.
   double GetPipelineDuration() const;
 
@@ -282,8 +279,6 @@ class WebMediaPlayerImpl
 
   base::Callback<void(const base::Closure&)> defer_load_cb_;
 
-  bool incremented_externally_allocated_memory_;
-
   // Factories for supporting video accelerators. May be null.
   scoped_refptr<media::GpuVideoAcceleratorFactories> gpu_factories_;