Merge the Sky Engine changes from the SkyDart branch

sky/engine/core/dom/ExecutionContext.cpp

 /*
  * 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 75 matching lines @@
 }
 
 void ExecutionContext::suspendActiveDOMObjectIfNeeded(ActiveDOMObject* object)
 {
     ASSERT(lifecycleNotifier().contains(object));
     // Ensure all ActiveDOMObjects are suspended also newly created ones.
     if (m_activeDOMObjectsAreSuspended)
         object->suspend();
 }
 
-bool ExecutionContext::shouldSanitizeScriptError(const String& sourceURL)
-{
-    return false;
-}
-
 void ExecutionContext::reportException(PassRefPtr<ErrorEvent> event, int scriptId, PassRefPtr<ScriptCallStack> callStack)
 {
     RefPtr<ErrorEvent> errorEvent = event;
     if (m_inDispatchErrorEvent) {
         if (!m_pendingExceptions)
             m_pendingExceptions = adoptPtr(new Vector<OwnPtr<PendingException> >());
         m_pendingExceptions->append(adoptPtr(new PendingException(errorEvent->messageForConsole(), errorEvent->lineno(), errorEvent->colno(), scriptId, errorEvent->filename(), callStack)));
         return;
     }
 
@@ skipping 21 matching lines @@
 
 bool ExecutionContext::dispatchErrorEvent(PassRefPtr<ErrorEvent> event)
 {
     if (!m_client)
         return false;
     EventTarget* target = m_client->errorEventTarget();
     if (!target)
         return false;
 
     RefPtr<ErrorEvent> errorEvent = event;
-    if (shouldSanitizeScriptError(errorEvent->filename()))
-        errorEvent = ErrorEvent::createSanitizedError(errorEvent->world());
-
     ASSERT(!m_inDispatchErrorEvent);
     m_inDispatchErrorEvent = true;
     target->dispatchEvent(errorEvent);
     m_inDispatchErrorEvent = false;
     return errorEvent->defaultPrevented();
 }
 
 int ExecutionContext::circularSequentialID()
 {
     ++m_circularSequentialID;
@@ skipping 75 matching lines @@
 {
     return static_cast<ContextLifecycleNotifier&>(LifecycleContext<ExecutionContext>::lifecycleNotifier());
 }
 
 bool ExecutionContext::isIteratingOverObservers() const
 {
     return m_lifecycleNotifier && m_lifecycleNotifier->isIteratingOverObservers();
 }
 
 } // namespace blink