Remove modules/webdatabase dependency from core.

Source/core/workers/WorkerGlobalScope.h

 /*
  * Copyright (C) 2008, 2009 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:
  * 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 63 matching lines @@
         const KURL& url() const { return m_url; }
         KURL completeURL(const String&) const;
 
         virtual String userAgent(const KURL&) const OVERRIDE FINAL;
         virtual void disableEval(const String& errorMessage) OVERRIDE FINAL;
 
         WorkerScriptController* script() { return m_script.get(); }
         void clearScript() { m_script.clear(); }
         void clearInspector();
 
+        void willStopActiveDOMObjects();
         void dispose();
 
         WorkerThread* thread() const { return m_thread; }
 
         virtual void postTask(PassOwnPtr<ExecutionContextTask>) OVERRIDE FINAL; // Executes the task on context's thread asynchronously.
 
         // WorkerGlobalScope
         WorkerGlobalScope* self() { return this; }
         WorkerConsole* console();
         WorkerLocation* location() const;
@@ skipping 72 matching lines @@
         OwnPtr<WorkerClients> m_workerClients;
 
         double m_timeOrigin;
     };
 
 DEFINE_TYPE_CASTS(WorkerGlobalScope, ExecutionContext, context, context->isWorkerGlobalScope(), context.isWorkerGlobalScope());
 
 } // namespace WebCore
 
 #endif // WorkerGlobalScope_h