Get main frame and subframe AppCache loads to work.

content/browser/appcache/appcache_storage_impl.cc

 // Copyright (c) 2012 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.
 
 #include "content/browser/appcache/appcache_storage_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <functional>
@@ skipping 1761 matching lines @@
 }
 
 void AppCacheStorageImpl::DeleteResponses(
     const GURL& manifest_url,
     const std::vector<int64_t>& response_ids) {
   if (response_ids.empty())
     return;
   StartDeletingResponses(response_ids);
 }
 
+bool AppCacheStorageImpl::IsInitialized() {
+  return IsInitTaskComplete();
+}
+
 void AppCacheStorageImpl::DelayedStartDeletingUnusedResponses() {
   // Only if we haven't already begun.
   if (!did_start_deleting_responses_) {
     scoped_refptr<GetDeletableResponseIdsTask> task(
         new GetDeletableResponseIdsTask(this, last_deletable_response_rowid_));
     task->Schedule();
   }
 }
 
 void AppCacheStorageImpl::StartDeletingResponses(
@@ skipping 189 matching lines @@
 
 void AppCacheStorageImpl::OnLazyCommitTimer() {
   lazy_commit_timer_.Stop();
   if (is_disabled())
     return;
   scoped_refptr<DatabaseTask> task(new CommitLastAccessTimesTask(this));
   task->Schedule();
 }
 
 }  // namespace content