Move the worker script loading code to the worker process (phase:1/5)

public/web/WebSharedWorkerClient.h

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 50 matching lines @@
 
     // Called on the main webkit thread in the worker process during
     // initialization.
     // WebWorkerPermissionClientProxy should not retain the given
     // WebSecurityOrigin, as the proxy instance is passed to worker thread
     // while WebSecurityOrigin is not thread safe.
     virtual WebWorkerPermissionClientProxy* createWorkerPermissionClientProxy(const WebSecurityOrigin&) { return 0; }
 
     virtual void dispatchDevToolsMessage(const WebString&) { }
     virtual void saveDevToolsAgentState(const WebString&) { }
+    virtual void workerScriptLoaded() { }
+    virtual void workerScriptLoadFailed() { }
+    virtual void selectAppCacheID(long long appCacheID) { }
 
 protected:
     ~WebSharedWorkerClient() { }
 };
 
 } // namespace blink
 
 #endif