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

webkit/tools/test_shell/test_web_worker.h

Index: webkit/tools/test_shell/test_web_worker.h
===================================================================
--- webkit/tools/test_shell/test_web_worker.h	(revision 45253)
+++ webkit/tools/test_shell/test_web_worker.h	(working copy)
@@ -12,11 +12,15 @@
 #include "third_party/WebKit/WebKit/chromium/public/WebWorkerClient.h"
 
 namespace WebKit {
+class WebApplicationCacheHost;
+class WebApplicationCacheHostClient;
 class WebNotificationPresenter;
 class WebString;
 class WebURL;
 }
 
+// WebWorkers are not functional in test_shell. This class effectively
+// stubs things out.
 class TestWebWorker : public WebKit::WebWorker,
                       public WebKit::WebWorkerClient,
                       public base::RefCounted<TestWebWorker> {
@@ -74,6 +78,10 @@
   virtual WebKit::WebNotificationPresenter* notificationPresenter() {
     return NULL;
   }
+  virtual WebKit::WebApplicationCacheHost* createApplicationCacheHost(
+      WebKit::WebApplicationCacheHostClient*) {
+    return NULL;
+  }
 
  private:
   friend class base::RefCounted<TestWebWorker>;