arc-bridge: Introduce the ArcService class

chrome/browser/chromeos/arc/arc_intent_helper_bridge.cc

 // Copyright 2016 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_intent_helper_bridge_impl.h"
+#include "chrome/browser/chromeos/arc/arc_intent_helper_bridge.h"
 
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
 #include "components/arc/common/intent_helper.mojom.h"
 
 namespace arc {
 
-ArcIntentHelperBridgeImpl::ArcIntentHelperBridgeImpl() : binding_(this) {}
-
-ArcIntentHelperBridgeImpl::~ArcIntentHelperBridgeImpl() {
-  ArcBridgeService* bridge_service = ArcBridgeService::Get();
-  DCHECK(bridge_service);
-  bridge_service->RemoveObserver(this);
+ArcIntentHelperBridge::ArcIntentHelperBridge(ArcBridgeService* bridge_service)
+    : ArcService(bridge_service), binding_(this) {
+  arc_bridge_service()->AddObserver(this);
 }
 
-void ArcIntentHelperBridgeImpl::StartObservingBridgeServiceChanges() {
-  ArcBridgeService* bridge_service = ArcBridgeService::Get();
-  DCHECK(bridge_service);
-  bridge_service->AddObserver(this);
+ArcIntentHelperBridge::~ArcIntentHelperBridge() {
+  arc_bridge_service()->RemoveObserver(this);
 }
 
-void ArcIntentHelperBridgeImpl::OnIntentHelperInstanceReady() {
+void ArcIntentHelperBridge::OnIntentHelperInstanceReady() {
   IntentHelperHostPtr host;
   binding_.Bind(mojo::GetProxy(&host));
-  ArcBridgeService* bridge_service = ArcBridgeService::Get();
-  bridge_service->intent_helper_instance()->Init(std::move(host));
+  arc_bridge_service()->intent_helper_instance()->Init(std::move(host));
 }
 
-void ArcIntentHelperBridgeImpl::OnOpenUrl(const mojo::String& url) {
+void ArcIntentHelperBridge::OnOpenUrl(const mojo::String& url) {
   GURL gurl(url.get());
   if (!gurl.is_valid())
     return;
 
   chrome::ScopedTabbedBrowserDisplayer displayer(
       ProfileManager::GetActiveUserProfile(), chrome::HOST_DESKTOP_TYPE_ASH);
   chrome::AddSelectedTabWithURL(displayer.browser(), gurl,
                                 ui::PAGE_TRANSITION_LINK);
 
   // Since the ScopedTabbedBrowserDisplayer does not guarantee that the
   // browser will be shown on the active desktop, we ensure the visibility.
   multi_user_util::MoveWindowToCurrentDesktop(
       displayer.browser()->window()->GetNativeWindow());
 }
 
 }  // namespace arc