Fix ExceptionState with empty context.

Source/bindings/v8/V8Initializer.cpp

 /*
  * Copyright (C) 2009 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 123 matching lines @@
 
 static void failedAccessCheckCallbackInMainThread(v8::Local<v8::Object> host, v8::AccessType type, v8::Local<v8::Value> data)
 {
     v8::Isolate* isolate = v8::Isolate::GetCurrent();
     LocalFrame* target = findFrame(host, data, isolate);
     if (!target)
         return;
     DOMWindow* targetWindow = target->domWindow();
 
     // FIXME: We should modify V8 to pass in more contextual information (context, property, and object).
-    ExceptionState exceptionState(ExceptionState::UnknownContext, 0, 0, v8::Handle<v8::Object>(), isolate);
+    ExceptionState exceptionState(ExceptionState::UnknownContext, 0, 0, isolate->GetCurrentContext()->Global(), isolate);
     exceptionState.throwSecurityError(targetWindow->sanitizedCrossDomainAccessErrorMessage(callingDOMWindow(isolate)), targetWindow->crossDomainAccessErrorMessage(callingDOMWindow(isolate)));
     exceptionState.throwIfNeeded();
 }
 
 static bool codeGenerationCheckCallbackInMainThread(v8::Local<v8::Context> context)
 {
     if (ExecutionContext* executionContext = toExecutionContext(context)) {
         if (ContentSecurityPolicy* policy = toDocument(executionContext)->contentSecurityPolicy())
             return policy->allowEval(ScriptState::from(context));
     }
@@ skipping 85 matching lines @@
     v8::V8::AddMessageListener(messageHandlerInWorker);
     v8::V8::SetFatalErrorHandler(reportFatalErrorInWorker);
 
     v8::ResourceConstraints resourceConstraints;
     uint32_t here;
     resourceConstraints.set_stack_limit(&here - kWorkerMaxStackSize / sizeof(uint32_t*));
     v8::SetResourceConstraints(isolate, &resourceConstraints);
 }
 
 } // namespace WebCore