Ground work for making appcache work in workers....

chrome/worker/webworkerclient_proxy.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_WORKER_WEBWORKERCLIENT_PROXY_H_
 #define CHROME_WORKER_WEBWORKERCLIENT_PROXY_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/task.h"
 #include "ipc/ipc_channel.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebWorkerClient.h"
 
 namespace WebKit {
+class WebApplicationCacheHost;
+class WebApplicationCacheHostClient;
 class WebWorker;
 }
 
 class WebWorkerStubBase;
 
 // This class receives IPCs from the renderer and calls the WebCore::Worker
 // implementation (after the data types have been converted by glue code).  It
 // is also called by the worker code and converts these function calls into
 // IPCs that are sent to the renderer, where they're converted back to function
 // calls by WebWorkerProxy.
@@ skipping 35 matching lines @@
   virtual void workerContextDestroyed();
   virtual WebKit::WebWorker* createWorker(WebKit::WebWorkerClient* client);
 
   virtual WebKit::WebNotificationPresenter* notificationPresenter() {
     // TODO(johnnyg): Notifications are not yet hooked up to workers.
     // Coming soon.
     NOTREACHED();
     return NULL;
   }
 
+  virtual WebKit::WebApplicationCacheHost* createApplicationCacheHost(
+      WebKit::WebApplicationCacheHostClient*) {
+    // TODO(michaeln): Create and initialize an appcache host for our worker.
+    return NULL;
+  }
+
   void EnsureWorkerContextTerminates();
 
  private:
   bool Send(IPC::Message* message);
 
   int route_id_;
   WebWorkerStubBase* stub_;
   ScopedRunnableMethodFactory<WebWorkerClientProxy> kill_process_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebWorkerClientProxy);
 };
 
 #endif  // CHROME_WORKER_WEBWORKERCLIENT_PROXY_H_