Loading from the "most appropiate" appcache.

content/worker/worker_webapplicationcachehost_impl.h

 // Copyright (c) 2010 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_WORKER_WEBAPPLICATIONCACHEHOST_IMPL_H_
 #define CHROME_WORKER_WORKER_WEBAPPLICATIONCACHEHOST_IMPL_H_
 #pragma once
 
 #include "webkit/appcache/web_application_cache_host_impl.h"
 
@@ skipping 18 matching lines @@
 
 class WorkerWebApplicationCacheHostImpl
     : public appcache::WebApplicationCacheHostImpl {
  public:
   WorkerWebApplicationCacheHostImpl(
       const WorkerAppCacheInitInfo& init_info,
       WebKit::WebApplicationCacheHostClient* client);
 
   // Main resource loading is different for workers. The resource is
   // loaded by the creator of the worker rather than the worker itself.
-  virtual void willStartMainResourceRequest(WebKit::WebURLRequest&) {}
+  // These overrides are stubbed out.
+  virtual void willStartMainResourceRequest(
+      WebKit::WebURLRequest&, const WebKit::WebFrame*);
   virtual void didReceiveResponseForMainResource(
-      const WebKit::WebURLResponse&) {}
-  virtual void didReceiveDataForMainResource(const char* data, int len) {}
-  virtual void didFinishLoadingMainResource(bool success) {}
+      const WebKit::WebURLResponse&);
+  virtual void didReceiveDataForMainResource(const char* data, int len);
+  virtual void didFinishLoadingMainResource(bool success);
 
   // Cache selection is also different for workers. We know at construction
   // time what cache to select and do so then.
-  virtual void selectCacheWithoutManifest() {}
+  // These overrides are stubbed out.
+  virtual void selectCacheWithoutManifest();
   virtual bool selectCacheWithManifest(const WebKit::WebURL& manifestURL);
 };
 
 #endif  // CHROME_WORKER_WORKER_WEBAPPLICATIONCACHEHOST_IMPL_H_