Blink bindings: use v8 to enforce method call access checks

third_party/WebKit/Source/modules/fetch/GlobalFetch.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/fetch/GlobalFetch.h"
 
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/UseCounter.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/workers/WorkerGlobalScope.h"
@@ skipping 80 matching lines @@
 }
 
 DEFINE_TRACE(GlobalFetch::ScopedFetcher) {}
 
 ScriptPromise GlobalFetch::fetch(ScriptState* scriptState,
                                  LocalDOMWindow& window,
                                  const RequestInfo& input,
                                  const Dictionary& init,
                                  ExceptionState& exceptionState) {
   UseCounter::count(window.getExecutionContext(), UseCounter::Fetch);
+  if (!window.frame()) {
+    exceptionState.throwTypeError("The global scope is shutting down.");
+    return ScriptPromise();
+  }
   return ScopedFetcher::from(window)->fetch(scriptState, input, init,
                                             exceptionState);
 }
 
 ScriptPromise GlobalFetch::fetch(ScriptState* scriptState,
                                  WorkerGlobalScope& worker,
                                  const RequestInfo& input,
                                  const Dictionary& init,
                                  ExceptionState& exceptionState) {
   // Note that UseCounter doesn't work with SharedWorker or ServiceWorker.
   UseCounter::count(worker.getExecutionContext(), UseCounter::Fetch);
   return ScopedFetcher::from(worker)->fetch(scriptState, input, init,
                                             exceptionState);
 }
 
 }  // namespace blink