AppCaches which belong to hosted apps are not protected from deletion

webkit/appcache/appcache_test_helper.h

+// Copyright (c) 2011 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 WEBKIT_APPCACHE_APPCACHE_TEST_HELPER_H_
+#define WEBKIT_APPCACHE_APPCACHE_TEST_HELPER_H_
+#pragma once
+
+#include <set>
+
+#include "net/base/completion_callback.h"
+#include "webkit/appcache/appcache_storage.h"
+
+namespace appcache {
+
+class AppCacheService;
+
+// Helper class for inserting data into a ChromeAppCacheService and reading it
+// back.
+class AppCacheTestHelper : public appcache::AppCacheStorage::Delegate {
+ public:
+  AppCacheTestHelper();
+  virtual ~AppCacheTestHelper();
+  void AddGroupAndCache(AppCacheService* appcache_service,
+                        const GURL& manifest_url);
+
+  void GetOriginsWithCaches(AppCacheService* appcache_service,
+                            std::set<GURL>* origins);
+ private:
+  virtual void OnGroupAndNewestCacheStored(
+      appcache::AppCacheGroup* group,
+      appcache::AppCache* newest_cache,
+      bool success,
+      bool would_exceed_quota);
+  void OnGotAppCacheInfo(int rv);
+
+  int group_id_;
+  int appcache_id_;
+  int response_id_;
+  net::CompletionCallbackImpl<AppCacheTestHelper> appcache_got_info_callback_;
+  scoped_refptr<appcache::AppCacheInfoCollection> appcache_info_;
+  std::set<GURL>* origins_;  // not owned
+
+  DISALLOW_COPY_AND_ASSIGN(AppCacheTestHelper);
+};
+
+}  // namespace appcache
+
+#endif  // WEBKIT_APPCACHE_APPCACHE_TEST_HELPER_H_