[Extensions] Convert some ChromeSyncExtensionFunctions

chrome/browser/chromeos/extensions/launcher_search_provider.cc

 // Copyright 2015 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/chromeos/extensions/launcher_search_provider.h"
 
 #include <memory>
 #include <utility>
 
 #include "chrome/browser/chromeos/launcher_search_provider/error_reporter.h"
 #include "chrome/browser/chromeos/launcher_search_provider/launcher_search_provider_service.h"
 #include "chrome/common/extensions/api/launcher_search_provider.h"
 #include "content/public/browser/render_frame_host.h"
 
 namespace extensions {
 
 LauncherSearchProviderSetSearchResultsFunction::
     ~LauncherSearchProviderSetSearchResultsFunction() {
 }
 
-bool LauncherSearchProviderSetSearchResultsFunction::RunSync() {
+ExtensionFunction::ResponseAction
+LauncherSearchProviderSetSearchResultsFunction::Run() {
   using chromeos::launcher_search_provider::ErrorReporter;
   using chromeos::launcher_search_provider::Service;
   using extensions::api::launcher_search_provider::SetSearchResults::Params;
   const std::unique_ptr<Params> params(Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params);
   DCHECK(render_frame_host());
 
   std::unique_ptr<ErrorReporter> error_reporter(
       new ErrorReporter(render_frame_host()));
-  Service* const service = Service::Get(GetProfile());
+  Service* const service = Service::Get(browser_context());
   service->SetSearchResults(extension(), std::move(error_reporter),
                             params->query_id, params->results);
 
-  return true;
+  return RespondNow(NoArguments());
 }
 
 }  // namespace extensions