AppCaches which belong to hosted apps are not protected from deletion

chrome/test/testing_profile.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/test/testing_profile.h"
 
 #include "build/build_config.h"
 
 #include "base/base_paths.h"
 #include "base/command_line.h"
@@ skipping 329 matching lines @@
                          extension_pref_value_map_.get()));
   extension_service_.reset(new ExtensionService(this,
                                                 command_line,
                                                 install_directory,
                                                 extension_prefs_.get(),
                                                 autoupdate_enabled,
                                                 true));
   return extension_service_.get();
 }
 
+void TestingProfile::SetAppCacheService(
+    ChromeAppCacheService* appcache_service) {
+  appcache_service_ = appcache_service;
+}
+
 FilePath TestingProfile::GetPath() {
   DCHECK(temp_dir_.IsValid());  // TODO(phajdan.jr): do it better.
   return temp_dir_.path();
 }
 
 TestingPrefService* TestingProfile::GetTestingPrefService() {
   if (!prefs_.get())
     CreateTestingPrefService();
   DCHECK(testing_prefs_);
   return testing_prefs_;
@@ skipping 25 matching lines @@
 
 bool TestingProfile::HasOffTheRecordProfile() {
   return incognito_profile_.get() != NULL;
 }
 
 Profile* TestingProfile::GetOriginalProfile() {
   return this;
 }
 
 ChromeAppCacheService* TestingProfile::GetAppCacheService() {
-  return NULL;
+  return appcache_service_.get();
 }
 
 webkit_database::DatabaseTracker* TestingProfile::GetDatabaseTracker() {
   if (!db_tracker_) {
     db_tracker_ = new webkit_database::DatabaseTracker(
         GetPath(), false, false, GetExtensionSpecialStoragePolicy(),
         NULL, NULL);
   }
   return db_tracker_;
 }
@@ skipping 383 matching lines @@
 }
 
 DerivedTestingProfile::DerivedTestingProfile(Profile* profile)
     : original_profile_(profile) {}
 
 DerivedTestingProfile::~DerivedTestingProfile() {}
 
 ProfileId DerivedTestingProfile::GetRuntimeId() {
   return original_profile_->GetRuntimeId();
 }