Blink bindings: use v8 to enforce method call access checks

third_party/WebKit/Source/core/frame/DOMWindowTimers.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2013 Samsung Electronics. 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
@@ skipping 31 matching lines @@
 
 namespace blink {
 
 namespace DOMWindowTimers {
 
 static bool isAllowed(ScriptState* scriptState,
                       ExecutionContext* executionContext,
                       bool isEval) {
   if (executionContext->isDocument()) {
     Document* document = static_cast<Document*>(executionContext);
+    if (!document->frame())
+      return false;
     if (isEval &&
         !document->contentSecurityPolicy()->allowEval(
             scriptState, ContentSecurityPolicy::SendReport,
             ContentSecurityPolicy::WillNotThrowException))
       return false;
     return true;
   }
   if (executionContext->isWorkerGlobalScope()) {
     WorkerGlobalScope* workerGlobalScope =
         static_cast<WorkerGlobalScope*>(executionContext);
@@ skipping 86 matching lines @@
 }
 
 void clearInterval(EventTarget& eventTarget, int timeoutID) {
   if (ExecutionContext* context = eventTarget.getExecutionContext())
     DOMTimer::removeByID(context, timeoutID);
 }
 
 }  // namespace DOMWindowTimers
 
 }  // namespace blink