Refactored app cache clear on exit code to happen in the object owning the files.

chrome/browser/extensions/extension_service_unittest.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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>
 
 #include "base/basictypes.h"
@@ skipping 293 matching lines @@
   virtual ExtensionService* GetExtensionService() { return service_; }
 
   virtual ChromeAppCacheService* GetAppCacheService() {
     if (!appcache_service_) {
       appcache_service_ = new ChromeAppCacheService;
       BrowserThread::PostTask(
           BrowserThread::IO, FROM_HERE,
           NewRunnableMethod(appcache_service_.get(),
                             &ChromeAppCacheService::InitializeOnIOThread,
                             GetPath(), IsOffTheRecord(),
-                            make_scoped_refptr(GetHostContentSettingsMap())));
+                            make_scoped_refptr(GetHostContentSettingsMap()),
+                            false));
     }
     return appcache_service_;
   }
 
   virtual fileapi::SandboxedFileSystemContext* GetFileSystemContext() {
     if (!file_system_context_)
       file_system_context_ = CreateFileSystemContext(
           GetPath(), IsOffTheRecord());
     return file_system_context_;
   }
@@ skipping 2929 matching lines @@
   // Component extensions shouldn't get recourded in the prefs.
   ValidatePrefKeyCount(0);
 
   // Reload all extensions, and make sure it comes back.
   std::string extension_id = service_->extensions()->at(0)->id();
   loaded_.clear();
   service_->ReloadExtensions();
   ASSERT_EQ(1u, service_->extensions()->size());
   EXPECT_EQ(extension_id, service_->extensions()->at(0)->id());
 }