[Extensions] Convert some SyncExtensionFunctions

chrome/browser/extensions/api/system_private/system_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/extensions/api/system_private/system_private_api.h"
 
 #include <utility>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 52 matching lines @@
       ->BroadcastEventToRenderers(histogram_value, event_name,
                                   std::move(list_args), GURL());
 }
 
 }  // namespace
 
 namespace extensions {
 
 namespace system_private = api::system_private;
 
-bool SystemPrivateGetIncognitoModeAvailabilityFunction::RunSync() {
-  PrefService* prefs = GetProfile()->GetPrefs();
+ExtensionFunction::ResponseAction
+SystemPrivateGetIncognitoModeAvailabilityFunction::Run() {
+  PrefService* prefs =
+      Profile::FromBrowserContext(browser_context())->GetPrefs();
   int value = prefs->GetInteger(prefs::kIncognitoModeAvailability);
   EXTENSION_FUNCTION_VALIDATE(
       value >= 0 &&
       value < static_cast<int>(arraysize(kIncognitoModeAvailabilityStrings)));
-  SetResult(base::MakeUnique<base::StringValue>(
-      kIncognitoModeAvailabilityStrings[value]));
-  return true;
+  return RespondNow(OneArgument(base::MakeUnique<base::StringValue>(
+      kIncognitoModeAvailabilityStrings[value])));
 }
 
-bool SystemPrivateGetUpdateStatusFunction::RunSync() {
+ExtensionFunction::ResponseAction SystemPrivateGetUpdateStatusFunction::Run() {
   std::string state;
   double download_progress = 0;
 #if defined(OS_CHROMEOS)
   // With UpdateEngineClient, we can provide more detailed information about
   // system updates on ChromeOS.
   const chromeos::UpdateEngineClient::Status status =
       chromeos::DBusThreadManager::Get()->GetUpdateEngineClient()->
       GetLastStatus();
   // |download_progress| is set to 1 after download finishes
   // (i.e. verify, finalize and need-reboot phase) to indicate the progress
@@ skipping 33 matching lines @@
       break;
   }
 #else
   if (UpgradeDetector::GetInstance()->notify_upgrade()) {
     state = kNeedRestartState;
     download_progress = 1;
   } else {
     state = kNotAvailableState;
   }
 #endif
+
   std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
   dict->SetString(kStateKey, state);
   dict->SetDouble(kDownloadProgressKey, download_progress);
-  SetResult(std::move(dict));
-
-  return true;
+  return RespondNow(OneArgument(std::move(dict)));
 }
 
-bool SystemPrivateGetApiKeyFunction::RunSync() {
-  SetResult(base::MakeUnique<base::StringValue>(google_apis::GetAPIKey()));
-  return true;
+ExtensionFunction::ResponseAction SystemPrivateGetApiKeyFunction::Run() {
+  return RespondNow(OneArgument(
+      base::MakeUnique<base::StringValue>(google_apis::GetAPIKey())));
 }
 
 void DispatchVolumeChangedEvent(double volume, bool is_volume_muted) {
   base::DictionaryValue* dict = new base::DictionaryValue();
   dict->SetDouble(kVolumeKey, volume);
   dict->SetBoolean(kIsVolumeMutedKey, is_volume_muted);
   DispatchEvent(extensions::events::SYSTEM_PRIVATE_ON_VOLUME_CHANGED,
                 system_private::OnVolumeChanged::kEventName, dict);
 }
 
 void DispatchBrightnessChangedEvent(int brightness, bool user_initiated) {
   base::DictionaryValue* dict = new base::DictionaryValue();
   dict->SetInteger(kBrightnessKey, brightness);
   dict->SetBoolean(kUserInitiatedKey, user_initiated);
   DispatchEvent(extensions::events::SYSTEM_PRIVATE_ON_BRIGHTNESS_CHANGED,
                 system_private::OnBrightnessChanged::kEventName, dict);
 }
 
 void DispatchScreenUnlockedEvent() {
   DispatchEvent(extensions::events::SYSTEM_PRIVATE_ON_SCREEN_UNLOCKED,
                 system_private::OnScreenUnlocked::kEventName, NULL);
 }
 
 void DispatchWokeUpEvent() {
   DispatchEvent(extensions::events::SYSTEM_PRIVATE_ON_WOKE_UP,
                 system_private::OnWokeUp::kEventName, NULL);
 }
 
 }  // namespace extensions