Initializing an appcache host in a worker process.

chrome/worker/webworkerclient_proxy.h

Index: chrome/worker/webworkerclient_proxy.h
===================================================================
--- chrome/worker/webworkerclient_proxy.h	(revision 46627)
+++ chrome/worker/webworkerclient_proxy.h	(working copy)
@@ -71,10 +71,7 @@
   }
 
   virtual WebKit::WebApplicationCacheHost* createApplicationCacheHost(
-      WebKit::WebApplicationCacheHostClient*) {
-    // TODO(michaeln): Create and initialize an appcache host for our worker.
-    return NULL;
-  }
+      WebKit::WebApplicationCacheHostClient* client);
 
   void EnsureWorkerContextTerminates();
 
@@ -82,6 +79,7 @@
   bool Send(IPC::Message* message);
 
   int route_id_;
+  int appcache_host_id_;
   WebWorkerStubBase* stub_;
   ScopedRunnableMethodFactory<WebWorkerClientProxy> kill_process_factory_;