Migrate bindings constructors to the new ExceptionState model.

Source/core/workers/SharedWorker.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Apple 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 53 matching lines @@
     RefPtr<MessageChannel> channel = MessageChannel::create(context);
     worker->m_port = channel->port1();
     OwnPtr<blink::WebMessagePortChannel> remotePort = channel->port2()->disentangle();
     ASSERT(remotePort);
 
     worker->suspendIfNeeded();
 
     // We don't currently support nested workers, so workers can only be created from documents.
     Document* document = toDocument(context);
     if (!document->securityOrigin()->canAccessSharedWorkers()) {
-        exceptionState.throwSecurityError("Failed to create 'SharedWorker': access to shared workers is denied to origin '" + document->securityOrigin()->toString() + "'.");
+        exceptionState.throwSecurityError("Access to shared workers is denied to origin '" + document->securityOrigin()->toString() + "'.");
         return 0;
     }
 
     KURL scriptURL = worker->resolveURL(url, exceptionState);
     if (scriptURL.isEmpty())
         return 0;
 
     if (document->page() && document->page()->sharedWorkerRepositoryClient())
         document->page()->sharedWorkerRepositoryClient()->connect(worker.get(), remotePort.release(), scriptURL, name, exceptionState);
 
@@ skipping 13 matching lines @@
 {
     setPendingActivity(this);
 }
 
 void SharedWorker::unsetPreventGC()
 {
     unsetPendingActivity(this);
 }
 
 } // namespace WebCore