Loading from the "most appropiate" appcache.

content/worker/worker_webapplicationcachehost_impl.h

Index: content/worker/worker_webapplicationcachehost_impl.h
===================================================================
--- content/worker/worker_webapplicationcachehost_impl.h	(revision 78411)
+++ content/worker/worker_webapplicationcachehost_impl.h	(working copy)
@@ -36,15 +36,18 @@
 
   // 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);
 };