Initial implementation of ServiceWorkerGlobalScope.fetch()

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 111 matching lines @@
 
         WorkerInspectorController* workerInspectorController() { return m_workerInspectorController.get(); }
         // These methods are used for GC marking. See JSWorkerGlobalScope::visitChildrenVirtual(SlotVisitor&) in
         // JSWorkerGlobalScopeCustom.cpp.
         WorkerConsole* optionalConsole() const { return m_console.get(); }
         WorkerNavigator* optionalNavigator() const { return m_navigator.get(); }
         WorkerLocation* optionalLocation() const { return m_location.get(); }
 
         bool isClosing() { return m_closing; }
 
+        virtual void stopFetch() { }
+
         bool idleNotification();
 
         double timeOrigin() const { return m_timeOrigin; }
 
         WorkerClients* clients() { return m_workerClients.get(); }
 
         using SecurityContext::securityOrigin;
         using SecurityContext::contentSecurityPolicy;
 
         virtual void trace(Visitor*) OVERRIDE;
@@ skipping 39 matching lines @@
 
         double m_timeOrigin;
         TerminationObserver* m_terminationObserver;
     };
 
 DEFINE_TYPE_CASTS(WorkerGlobalScope, ExecutionContext, context, context->isWorkerGlobalScope(), context.isWorkerGlobalScope());
 
 } // namespace WebCore
 
 #endif // WorkerGlobalScope_h