Privatize StrongBinding lifetime management

device/battery/battery_monitor_impl.cc

 // Copyright 2014 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 "device/battery/battery_monitor_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
 
 namespace device {
 
 // static
-void BatteryMonitorImpl::Create(
-    mojo::InterfaceRequest<BatteryMonitor> request) {
-  new BatteryMonitorImpl(std::move(request));
+void BatteryMonitorImpl::Create(BatteryMonitorRequest request) {
+  mojo::MakeStrongBinding(base::MakeUnique<BatteryMonitorImpl>(),
+                          std::move(request));
 }
 
-BatteryMonitorImpl::BatteryMonitorImpl(
-    mojo::InterfaceRequest<BatteryMonitor> request)
-    : binding_(this, std::move(request)), status_to_report_(false) {
+BatteryMonitorImpl::BatteryMonitorImpl() : status_to_report_(false) {
   // NOTE: DidChange may be called before AddCallback returns. This is done to
   // report current status.
   subscription_ = BatteryStatusService::GetInstance()->AddCallback(
       base::Bind(&BatteryMonitorImpl::DidChange, base::Unretained(this)));
 }
 
 BatteryMonitorImpl::~BatteryMonitorImpl() {
 }
 
 void BatteryMonitorImpl::QueryNextStatus(
@@ skipping 21 matching lines @@
 }
 
 void BatteryMonitorImpl::ReportStatus() {
   callback_.Run(status_.Clone());
   callback_.Reset();
 
   status_to_report_ = false;
 }
 
 }  // namespace device