Propagate nested importScripts() error events outwards.

Source/core/workers/WorkerGlobalScope.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009, 2011 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 246 matching lines @@
         if (scriptLoader->failed()) {
             exceptionState.throwDOMException(NetworkError, "The script at '" + it->elidedString() + "' failed to load.");
             return;
         }
 
         InspectorInstrumentation::scriptImported(&executionContext, scriptLoader->identifier(), scriptLoader->script());
 
         RefPtrWillBeRawPtr<ErrorEvent> errorEvent = nullptr;
         m_script->evaluate(ScriptSourceCode(scriptLoader->script(), scriptLoader->responseURL()), &errorEvent);
         if (errorEvent) {
-            m_script->rethrowExceptionFromImportedScript(errorEvent.release());
+            m_script->rethrowExceptionFromImportedScript(errorEvent.release(), exceptionState);
             return;
         }
     }
 }
 
 EventTarget* WorkerGlobalScope::errorEventTarget()
 {
     return this;
 }
 
@@ skipping 62 matching lines @@
     visitor->trace(m_location);
     visitor->trace(m_navigator);
     visitor->trace(m_eventQueue);
     visitor->trace(m_workerClients);
     WillBeHeapSupplementable<WorkerGlobalScope>::trace(visitor);
     ExecutionContext::trace(visitor);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace WebCore