[Extensions] Convert some ChromeSyncExtensionFunctions

chrome/browser/chromeos/extensions/first_run_private_api.cc

Index: chrome/browser/chromeos/extensions/first_run_private_api.cc
diff --git a/chrome/browser/chromeos/extensions/first_run_private_api.cc b/chrome/browser/chromeos/extensions/first_run_private_api.cc
index de98afb7efe6b76b533dab74191d6d4018781a01..2634c576b587cf6c67ee2ee5c842b170187fd720 100644
--- a/chrome/browser/chromeos/extensions/first_run_private_api.cc
+++ b/chrome/browser/chromeos/extensions/first_run_private_api.cc
@@ -19,12 +19,14 @@
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/webui/web_ui_util.h"
 
-bool FirstRunPrivateGetLocalizedStringsFunction::RunSync() {
+ExtensionFunction::ResponseAction
+FirstRunPrivateGetLocalizedStringsFunction::Run() {
   UMA_HISTOGRAM_COUNTS("CrosFirstRun.DialogShown", 1);
   std::unique_ptr<base::DictionaryValue> localized_strings(
       new base::DictionaryValue());
   const user_manager::User* user =
-      chromeos::ProfileHelper::Get()->GetUserByProfile(GetProfile());
+      chromeos::ProfileHelper::Get()->GetUserByProfile(
+          Profile::FromBrowserContext(browser_context()));
   if (!user->GetGivenName().empty()) {
     localized_strings->SetString(
         "greetingHeader",
@@ -55,11 +57,10 @@ bool FirstRunPrivateGetLocalizedStringsFunction::RunSync() {
   const std::string& app_locale = g_browser_process->GetApplicationLocale();
   webui::SetLoadTimeDataDefaults(app_locale, localized_strings.get());
 
-  SetResult(std::move(localized_strings));
-  return true;
+  return RespondNow(OneArgument(std::move(localized_strings)));
 }
 
-bool FirstRunPrivateLaunchTutorialFunction::RunSync() {
+ExtensionFunction::ResponseAction FirstRunPrivateLaunchTutorialFunction::Run() {
   chromeos::first_run::LaunchTutorial();
-  return true;
+  return RespondNow(NoArguments());
 }