Merge the Sky Engine changes from the SkyDart branch

sky/engine/core/dom/ExecutionContext.h

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2012 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 47 matching lines @@
     const KURL& url() const;
     KURL completeURL(const String& url) const;
     LocalDOMWindow* executingWindow() const;
     double timerAlignmentInterval() const;
 
     virtual void reportBlockedScriptExecutionToInspector(const String& directiveText) = 0;
 
     KURL contextURL() const { return virtualURL(); }
     KURL contextCompleteURL(const String& url) const { return virtualCompleteURL(url); }
 
-    bool shouldSanitizeScriptError(const String& sourceURL);
     void reportException(PassRefPtr<ErrorEvent>, int scriptId, PassRefPtr<ScriptCallStack>);
 
     void addConsoleMessage(PassRefPtr<ConsoleMessage>);
 
     // Active objects are not garbage collected even if inaccessible, e.g. because their activity may result in callbacks being invoked.
     bool hasPendingActivity();
 
     void stopActiveDOMObjects();
     unsigned activeDOMObjectCount();
 
@@ skipping 58 matching lines @@
 
     // The location of this member is important; to make sure contextDestroyed() notification on
     // ExecutionContext's members (notably m_timeouts) is called before they are destructed,
     // m_lifecycleNotifer should be placed *after* such members.
     OwnPtr<ContextLifecycleNotifier> m_lifecycleNotifier;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_DOM_EXECUTIONCONTEXT_H_