AppCaches which belong to hosted apps are not protected from deletion

chrome/browser/extensions/extension_service_unittest.cc

 // 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.
 
 #include "chrome/browser/extensions/extension_service_unittest.h"
 
 #include <algorithm>
 #include <set>
 #include <vector>
 
@@ skipping 336 matching lines @@
     if (!appcache_service_) {
       appcache_service_ = new ChromeAppCacheService(NULL);
       if (!BrowserThread::PostTask(
               BrowserThread::IO, FROM_HERE,
               NewRunnableMethod(
                   appcache_service_.get(),
                   &ChromeAppCacheService::InitializeOnIOThread,
                   IsOffTheRecord()
                   ? FilePath() : GetPath().Append(chrome::kAppCacheDirname),
                   &GetResourceContext(),
-                  make_scoped_refptr(GetExtensionSpecialStoragePolicy()),
-                  false)))
+                  make_scoped_refptr(GetExtensionSpecialStoragePolicy()))))
         NOTREACHED();
     }
     return appcache_service_;
   }
 
   virtual fileapi::FileSystemContext* GetFileSystemContext() {
     if (!file_system_context_) {
       quota::QuotaManager* quota_manager = GetQuotaManager();
       file_system_context_ = CreateFileSystemContext(
           GetPath(), IsOffTheRecord(),
@@ skipping 3401 matching lines @@
   ASSERT_FALSE(AddPendingSyncInstall());
 
   // Wait for the external source to install.
   WaitForCrxInstall(crx_path_, true);
   ASSERT_TRUE(IsCrxInstalled());
 
   // Now that the extension is installed, sync request should fail
   // because the extension is already installed.
   ASSERT_FALSE(AddPendingSyncInstall());
 }