Remove SchemeRegistry and WebSecurityPolicy.

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 96 matching lines @@
     virtual void setPageEncoding(const WebString&) override;
     virtual bool isTransparent() const override;
     virtual void setIsTransparent(bool value) override;
     virtual void setBaseBackgroundColor(WebColor) override;
     virtual bool tabsToLinks() const override;
     virtual void setTabsToLinks(bool value) override;
     virtual bool tabKeyCyclesThroughElements() const override;
     virtual void setTabKeyCyclesThroughElements(bool value) override;
     virtual bool isActive() const override;
     virtual void setIsActive(bool value) override;
-    virtual void setDomainRelaxationForbidden(bool, const WebString& scheme) override;
     virtual WebFrame* mainFrame() override;
     virtual WebFrame* focusedFrame() override;
     virtual void setFocusedFrame(WebFrame*) override;
     virtual void setInitialFocus(bool reverse) override;
     virtual void clearFocusedElement() override;
     virtual void advanceFocus(bool reverse) override;
 
     virtual float deviceScaleFactor() const override;
     virtual void setDeviceScaleFactor(float) override;
 
@@ skipping 227 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  // SKY_ENGINE_WEB_WEBVIEWIMPL_H_