arc: Revamp the ArcBridgeService interface

chrome/browser/chromeos/arc/arc_navigation_throttle.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_navigation_throttle.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 19 matching lines @@
 }
 
 mojom::IntentHelperInstance* GetIntentHelper() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   ArcBridgeService* bridge_service = ArcBridgeService::Get();
   if (!bridge_service) {
     VLOG(1) << "ARC bridge is not ready.";
     return nullptr;
   }
   mojom::IntentHelperInstance* intent_helper_instance =
-      bridge_service->intent_helper_instance();
+      bridge_service->intent_helper()->instance();
   if (!intent_helper_instance) {
     VLOG(1) << "ARC intent helper instance is not ready.";
     return nullptr;
   }
-  if (bridge_service->intent_helper_version() < kMinInstanceVersion) {
+  if (bridge_service->intent_helper()->version() < kMinInstanceVersion) {
     VLOG(1) << "ARC intent helper instance is too old.";
     return nullptr;
   }
   return intent_helper_instance;
 }
 
 }  // namespace
 
 ArcNavigationThrottle::ArcNavigationThrottle(
     content::NavigationHandle* navigation_handle,
@@ skipping 160 matching lines @@
       return;
     }
   }
 
   UMA_HISTOGRAM_ENUMERATION("Arc.IntentHandlerAction",
                             static_cast<int>(close_reason),
                             static_cast<int>(CloseReason::SIZE));
 }
 
 }  // namespace arc