Ignore MediaController in the muted/volume controls logic

Source/core/html/MediaController.h

Index: Source/core/html/MediaController.h
diff --git a/Source/core/html/MediaController.h b/Source/core/html/MediaController.h
index 484b37fc8f9fcf4576dbd32301d0a3ac6c782d8a..eb391a976eb4c000120996fbdba526317140d460 100644
--- a/Source/core/html/MediaController.h
+++ b/Source/core/html/MediaController.h
@@ -72,11 +72,11 @@ public:
     double playbackRate() const;
     void setPlaybackRate(double);
 
-    virtual double volume() const OVERRIDE { return m_volume; }
-    virtual void setVolume(double, ExceptionState&) OVERRIDE;
+    double volume() const { return m_volume; }
+    void setVolume(double, ExceptionState&);
 
-    virtual bool muted() const OVERRIDE { return m_muted; }
-    virtual void setMuted(bool) OVERRIDE;
+    bool muted() const { return m_muted; }
+    void setMuted(bool);
 
     typedef HTMLMediaElement::ReadyState ReadyState;
     ReadyState readyState() const { return m_readyState; }
@@ -84,8 +84,6 @@ public:
     enum PlaybackState { WAITING, PLAYING, ENDED };
     const AtomicString& playbackState() const;
 
-    virtual bool hasAudio() const OVERRIDE;
-
     bool isRestrained() const;
     bool isBlocked() const;