[Extensions] Convert some ChromeSyncExtensionFunctions

chrome/browser/chromeos/extensions/echo_private_api.cc

 // 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.
 
 #include "chrome/browser/chromeos/extensions/echo_private_api.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 42 matching lines @@
 }  // namespace echo_offer
 
 }  // namespace chromeos
 
 EchoPrivateGetRegistrationCodeFunction::
     EchoPrivateGetRegistrationCodeFunction() {}
 
 EchoPrivateGetRegistrationCodeFunction::
     ~EchoPrivateGetRegistrationCodeFunction() {}
 
-void EchoPrivateGetRegistrationCodeFunction::GetRegistrationCode(
+ExtensionFunction::ResponseValue
+EchoPrivateGetRegistrationCodeFunction::GetRegistrationCode(
     const std::string& type) {
   // Possible ECHO code type and corresponding key name in StatisticsProvider.
   const std::string kCouponType = "COUPON_CODE";
   const std::string kGroupType = "GROUP_CODE";
 
   chromeos::system::StatisticsProvider* provider =
       chromeos::system::StatisticsProvider::GetInstance();
   std::string result;
   if (type == kCouponType) {
     provider->GetMachineStatistic(chromeos::system::kOffersCouponCodeKey,
                                   &result);
   } else if (type == kGroupType) {
     provider->GetMachineStatistic(chromeos::system::kOffersGroupCodeKey,
                                   &result);
   }
 
-  results_ = echo_api::GetRegistrationCode::Results::Create(result);
+  return ArgumentList(echo_api::GetRegistrationCode::Results::Create(result));
 }
 
-bool EchoPrivateGetRegistrationCodeFunction::RunSync() {
+ExtensionFunction::ResponseAction
+EchoPrivateGetRegistrationCodeFunction::Run() {
   std::unique_ptr<echo_api::GetRegistrationCode::Params> params =
       echo_api::GetRegistrationCode::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(params);
-  GetRegistrationCode(params->type);
-  return true;
+  return RespondNow(GetRegistrationCode(params->type));
 }
 
 EchoPrivateSetOfferInfoFunction::EchoPrivateSetOfferInfoFunction() {}
 
 EchoPrivateSetOfferInfoFunction::~EchoPrivateSetOfferInfoFunction() {}
 
-bool EchoPrivateSetOfferInfoFunction::RunSync() {
+ExtensionFunction::ResponseAction EchoPrivateSetOfferInfoFunction::Run() {
   std::unique_ptr<echo_api::SetOfferInfo::Params> params =
       echo_api::SetOfferInfo::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(params);
 
   const std::string& service_id = params->id;
   std::unique_ptr<base::DictionaryValue> dict =
       params->offer_info.additional_properties.DeepCopyWithoutEmptyChildren();
 
   PrefService* local_state = g_browser_process->local_state();
   DictionaryPrefUpdate offer_update(local_state, prefs::kEchoCheckedOffers);
   offer_update->SetWithoutPathExpansion("echo." + service_id, std::move(dict));
-  return true;
+  return RespondNow(NoArguments());
 }
 
 EchoPrivateGetOfferInfoFunction::EchoPrivateGetOfferInfoFunction() {}
 
 EchoPrivateGetOfferInfoFunction::~EchoPrivateGetOfferInfoFunction() {}
 
-bool EchoPrivateGetOfferInfoFunction::RunSync() {
+ExtensionFunction::ResponseAction EchoPrivateGetOfferInfoFunction::Run() {
   std::unique_ptr<echo_api::GetOfferInfo::Params> params =
       echo_api::GetOfferInfo::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(params);
 
   const std::string& service_id = params->id;
   PrefService* local_state = g_browser_process->local_state();
   const base::DictionaryValue* offer_infos = local_state->
       GetDictionary(prefs::kEchoCheckedOffers);
 
   const base::DictionaryValue* offer_info = NULL;
   if (!offer_infos->GetDictionaryWithoutPathExpansion(
          "echo." + service_id, &offer_info)) {
-    error_ = "Not found";
-    return false;
+    return RespondNow(Error("Not found"));
   }
 
   echo_api::GetOfferInfo::Results::Result result;
   result.additional_properties.MergeDictionary(offer_info);
-  results_ = echo_api::GetOfferInfo::Results::Create(result);
-  return true;
+  return RespondNow(
+      ArgumentList(echo_api::GetOfferInfo::Results::Create(result)));
 }
 
 EchoPrivateGetOobeTimestampFunction::EchoPrivateGetOobeTimestampFunction() {
 }
 
 EchoPrivateGetOobeTimestampFunction::~EchoPrivateGetOobeTimestampFunction() {
 }
 
 bool EchoPrivateGetOobeTimestampFunction::RunAsync() {
   BrowserThread::PostTaskAndReplyWithResult(
@@ skipping 126 matching lines @@
 void EchoPrivateGetUserConsentFunction::Finalize(bool consent) {
   // Consent should not be true if offers redeeming is disabled.
   CHECK(redeem_offers_allowed_ || !consent);
   results_ = echo_api::GetUserConsent::Results::Create(consent);
   SendResponse(true);
 
   // Release the reference added in |OnRedeemOffersAllowedChecked|, before
   // showing the dialog.
   Release();
 }