[oilpan] Fix iterators over member collections to return Result<T>

Source/core/inspector/InspectorDOMAgent.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * 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
@@ skipping 199 matching lines @@
     m_elements->add(element);
     if (!m_timer.isActive())
         m_timer.startOneShot(0);
 }
 
 void RevalidateStyleAttributeTask::onTimer(Timer<RevalidateStyleAttributeTask>*)
 {
     // The timer is stopped on m_domAgent destruction, so this method will never be called after m_domAgent has been destroyed.
     CollectionRoot<Vector<Member<Element> > > elements;
     for (HashSet<Member<Element> >::iterator it = m_elements->begin(), end = m_elements->end(); it != end; ++it)
-        elements->append(it->handle().raw());
+        elements->append((*it).handle().raw());
     m_domAgent->styleAttributeInvalidated(*elements);
 
     m_elements->clear();
 }
 
 String InspectorDOMAgent::toErrorString(const ExceptionCode& ec)
 {
     if (ec) {
         ExceptionCodeDescription description(ec);
         return description.name;
@@ skipping 1590 matching lines @@
 
     InjectedScript injectedScript = m_injectedScriptManager->injectedScriptFor(mainWorldScriptState(frame));
     if (injectedScript.hasNoValue())
         return 0;
 
     return injectedScript.wrapNode(node, objectGroup);
 }
 
 } // namespace WebCore