Fix a crash in PageActionImageView when extensions are reloaded due to incognito settings changing.

chrome/test/base/testing_profile.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 CHROME_TEST_BASE_TESTING_PROFILE_H_
 #define CHROME_TEST_BASE_TESTING_PROFILE_H_
 #pragma once
 
 #include <string>
 
@@ skipping 358 matching lines @@
 
   FilePath last_selected_directory_;
   scoped_refptr<history::TopSites> top_sites_;  // For history and thumbnails.
 
   // The Extension Preferences. Only created if CreateExtensionService is
   // invoked.
   scoped_ptr<ExtensionPrefs> extension_prefs_;
 
   scoped_ptr<ExtensionService> extension_service_;
 
+  scoped_ptr<ExtensionProcessManager> extension_process_manager_;
+
   scoped_ptr<ExtensionPrefValueMap> extension_pref_value_map_;
 
   scoped_refptr<ExtensionSpecialStoragePolicy>
       extension_special_storage_policy_;
 
   // The proxy prefs tracker.
   scoped_refptr<PrefProxyConfigTracker> pref_proxy_config_tracker_;
 
   // We use a temporary directory to store testing profile data. In a multi-
   // profile environment, this is invalid and the directory is managed by the
@@ skipping 10 matching lines @@
   // testing.
   ProfileDependencyManager* profile_dependency_manager_;
 
   scoped_refptr<ChromeAppCacheService> appcache_service_;
 
   // The QuotaManager, only available if set explicitly via SetQuotaManager.
   scoped_refptr<quota::QuotaManager> quota_manager_;
 };
 
 #endif  // CHROME_TEST_BASE_TESTING_PROFILE_H_