DevTools: Add workerShadowPageLoaded method to shared/service worker clients for further plumbing i…

public/web/WebServiceWorkerContextClient.h

 /*
  * Copyright (C) 2013 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 53 matching lines @@
     // ServiceWorker specific method. Called when script accesses the
     // the |scope| attribute of the ServiceWorkerGlobalScope. Immutable per spec.
     virtual WebURL scope() const { return WebURL(); }
 
     // If the worker was started with WebEmbeddedWorkerStartData indicating to pause
     // after download, this method is called after the main script resource has been
     // downloaded. The scope will not be created and the script will not be loaded until
     // WebEmbeddedWorker.resumeAfterDownload() is invoked.
     virtual void didPauseAfterDownload() { }
 
+    // A shadow page for worker was created and loaded and is now ready to
+    // start a worker thread.

[pfeldman, 2014/08/18 16:14:45]

Let add more details on why this is needed.

+    virtual void workerShadowPageLoaded() { }
+
     // A new WorkerGlobalScope is created and started to run on the
     // worker thread.
     // This also gives back a proxy to the client to talk to the
     // newly created WorkerGlobalScope. The proxy is held by WorkerGlobalScope
     // and should not be held by the caller. No proxy methods should be called
     // after willDestroyWorkerContext() is called.
     virtual void workerContextStarted(WebServiceWorkerContextProxy*) { }
 
     // WorkerGlobalScope is about to be destroyed. The client should clear
     // the WebServiceWorkerGlobalScopeProxy when this is called.
@@ skipping 46 matching lines @@
     virtual void getClients(WebServiceWorkerClientsCallbacks*) { BLINK_ASSERT_NOT_REACHED(); }
 
     // Callee receives ownership of the passed vector.
     // FIXME: Blob refs should be passed to maintain ref counts. crbug.com/351753
     virtual void postMessageToClient(int clientID, const WebString&, WebMessagePortChannelArray*) { BLINK_ASSERT_NOT_REACHED(); }
 };
 
 } // namespace blink
 
 #endif // WebServiceWorkerContextClient_h