[Extensions] Convert some ChromeSyncExtensionFunctions

chrome/browser/extensions/api/cookies/cookies_api.h

 // Copyright (c) 2012 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.
 
 // Defines the Chrome Extensions Cookies API functions for accessing internet
 // cookies, as specified in the extension API JSON.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_COOKIES_COOKIES_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_COOKIES_COOKIES_API_H_
 
@@ skipping 137 matching lines @@
   void RemoveCookieOnIOThread();
   void RespondOnUIThread();
   void RemoveCookieCallback();
 
   GURL url_;
   scoped_refptr<net::URLRequestContextGetter> store_browser_context_;
   std::unique_ptr<api::cookies::Remove::Params> parsed_args_;
 };
 
 // Implements the cookies.getAllCookieStores() extension function.
-class CookiesGetAllCookieStoresFunction : public ChromeSyncExtensionFunction {
+class CookiesGetAllCookieStoresFunction : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("cookies.getAllCookieStores",
                              COOKIES_GETALLCOOKIESTORES)
 
  protected:
   ~CookiesGetAllCookieStoresFunction() override {}
 
   // ExtensionFunction:
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 class CookiesAPI : public BrowserContextKeyedAPI, public EventRouter::Observer {
  public:
   explicit CookiesAPI(content::BrowserContext* context);
   ~CookiesAPI() override;
 
   // KeyedService implementation.
   void Shutdown() override;
 
@@ skipping 16 matching lines @@
 
   // Created lazily upon OnListenerAdded.
   std::unique_ptr<CookiesEventRouter> cookies_event_router_;
 
   DISALLOW_COPY_AND_ASSIGN(CookiesAPI);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_COOKIES_COOKIES_API_H_