arc: Revamp the ArcBridgeService interface

chrome/browser/chromeos/arc/arc_settings_service.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/arc/arc_settings_service.h"
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "base/json/json_writer.h"
@@ skipping 365 matching lines @@
   base::DictionaryValue extras;
   extras.SetBoolean("enabled", enabled);
   extras.SetBoolean("managed", !pref->IsUserModifiable());
   SendSettingsBroadcast("org.chromium.arc.intent_helper.SET_BACKUP_ENABLED",
                         extras);
 }
 
 void ArcSettingsServiceImpl::SendSettingsBroadcast(
     const std::string& action,
     const base::DictionaryValue& extras) const {
-  if (!arc_bridge_service_->intent_helper_instance()) {
+  if (!arc_bridge_service_->intent_helper()->instance()) {
     LOG(ERROR) << "IntentHelper instance is not ready.";
     return;
   }
 
   std::string extras_json;
   bool write_success = base::JSONWriter::Write(extras, &extras_json);
   DCHECK(write_success);
 
-  if (arc_bridge_service_->intent_helper_version() >= 1) {
-    arc_bridge_service_->intent_helper_instance()->SendBroadcast(
+  if (arc_bridge_service_->intent_helper()->version() >= 1) {
+    arc_bridge_service_->intent_helper()->instance()->SendBroadcast(
         action, "org.chromium.arc.intent_helper",
         "org.chromium.arc.intent_helper.SettingsReceiver", extras_json);
   }
 }
 
 ArcSettingsService::ArcSettingsService(ArcBridgeService* bridge_service)
     : ArcService(bridge_service) {
-  arc_bridge_service()->AddObserver(this);
+  arc_bridge_service()->intent_helper()->AddObserver(this);
 }
 
 ArcSettingsService::~ArcSettingsService() {
-  arc_bridge_service()->RemoveObserver(this);
+  arc_bridge_service()->intent_helper()->RemoveObserver(this);
 }
 
-void ArcSettingsService::OnIntentHelperInstanceReady() {
+void ArcSettingsService::OnInstanceReady() {
   impl_.reset(new ArcSettingsServiceImpl(arc_bridge_service()));
 }
 
-void ArcSettingsService::OnIntentHelperInstanceClosed() {
+void ArcSettingsService::OnInstanceClosed() {
   impl_.reset();
 }
 
 }  // namespace arc