Remove most of the media stack.

sky/engine/web/WebViewImpl.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 138 matching lines @@
     virtual bool zoomToMultipleTargetsRect(const WebRect&) override;
     virtual void setMainFrameScrollOffset(const WebPoint&) override;
     virtual void resetScrollAndScaleState() override;
     virtual WebSize contentsPreferredMinimumSize() override;
 
     virtual float deviceScaleFactor() const override;
     virtual void setDeviceScaleFactor(float) override;
 
     virtual void setFixedLayoutSize(const WebSize&) override;
 
-    virtual void performMediaPlayerAction(
-        const WebMediaPlayerAction& action,
-        const WebPoint& location) override;
     virtual WebHitTestResult hitTestResultAt(const WebPoint&) override;
     virtual void copyImageAt(const WebPoint&) override;
     virtual void saveImageAt(const WebPoint&) override;
     virtual void dragSourceSystemDragEnded() override;
     virtual void spellingMarkers(WebVector<uint32_t>* markers) override;
     virtual void removeSpellingMarkersUnderWords(const WebVector<WebString>& words) override;
     virtual void setCompositorDeviceScaleFactorOverride(float) override;
     virtual void setRootLayerTransform(const WebSize& offset, float scale) override;
     virtual void setSelectionColors(unsigned activeBackgroundColor,
                                     unsigned activeForegroundColor,
@@ skipping 311 matching lines @@
     bool m_userGestureObserved;
 };
 
 // We have no ways to check if the specified WebView is an instance of
 // WebViewImpl because WebViewImpl is the only implementation of WebView.
 DEFINE_TYPE_CASTS(WebViewImpl, WebView, webView, true, true);
 
 } // namespace blink
 
 #endif