Introducing the WebServiceWorkerCacheStorage

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 22 matching lines @@
 
 #include "WebWorkerPermissionClientProxy.h"
 #include "public/platform/WebMessagePortChannel.h"
 #include "public/platform/WebServiceWorkerClientsInfo.h"
 #include "public/platform/WebServiceWorkerEventResult.h"
 #include "public/platform/WebURL.h"
 
 namespace blink {
 
 class WebDataSource;
+class WebServiceWorkerCacheStorage;
 class WebServiceWorkerContextProxy;
 class WebServiceWorkerNetworkProvider;
 class WebServiceWorkerResponse;
 class WebString;
 
 // This interface is implemented by the client. It is supposed to be created
 // on the main thread and then passed on to the worker thread.
 // by a newly created WorkerGlobalScope. All methods of this class, except
 // for createServiceWorkerNetworkProvider() and workerContextFailedToStart(),
 // are called on the worker thread.
 // FIXME: Split this into EmbeddedWorkerContextClient and
 // ServiceWorkerScriptContextClient when we decide to use EmbeddedWorker
 // framework for other implementation (like SharedWorker).
 class WebServiceWorkerContextClient {
 public:
     virtual ~WebServiceWorkerContextClient() { }
 
+    // ServiceWorker specific method.
+    virtual WebServiceWorkerCacheStorage* cacheStorage() { return 0; }
+
     // 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() { }
 
@@ skipping 55 matching lines @@
     // passed to the WebServiceWorkerClientsCallbacks implementation.
     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 // WebWorkerContextClient_h
+#endif // WebServiceWorkerContextClient_h