[Extensions] Convert some SyncExtensionFunctions

chrome/browser/chromeos/extensions/info_private_api.cc

Index: chrome/browser/chromeos/extensions/info_private_api.cc
diff --git a/chrome/browser/chromeos/extensions/info_private_api.cc b/chrome/browser/chromeos/extensions/info_private_api.cc
index 9ff2843b4a2dddcf1e3aadef4b439c165ac12738..36350e709e3bdc43a2766d89766793032f56ec6f 100644
--- a/chrome/browser/chromeos/extensions/info_private_api.cc
+++ b/chrome/browser/chromeos/extensions/info_private_api.cc
@@ -238,7 +238,7 @@ ChromeosInfoPrivateSetFunction::ChromeosInfoPrivateSetFunction() {
 ChromeosInfoPrivateSetFunction::~ChromeosInfoPrivateSetFunction() {
 }
 
-bool ChromeosInfoPrivateSetFunction::RunSync() {
+ExtensionFunction::ResponseAction ChromeosInfoPrivateSetFunction::Run() {
   std::string param_name;
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &param_name));
   if (param_name == kPropertyTimezone) {
@@ -255,12 +255,11 @@ bool ChromeosInfoPrivateSetFunction::RunSync() {
           pref_name,
           param_value);
     } else {
-      error_ = ErrorUtils::FormatErrorMessage(kPropertyNotFound, param_name);
-      return false;
+      return RespondNow(Error(kPropertyNotFound, param_name));
     }
   }
 
-  return true;
+  return RespondNow(NoArguments());
 }
 
 }  // namespace extensions