Battery Status API: browser-side implementation.

content/browser/battery_status/battery_status_manager_android.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 "content/browser/battery_status/battery_status_manager.h"
 
 #include "base/android/jni_android.h"
 #include "jni/BatteryStatusManager_jni.h"
 
 using base::android::AttachCurrentThread;
 
 namespace content {
 
 BatteryStatusManager::BatteryStatusManager(
-    const BatteryStatusUpdateCallback& callback) : callback_(callback) {
+    const BatteryStatusService::BatteryUpdateCallback& callback)
+    : callback_(callback) {
   j_manager_.Reset(
       Java_BatteryStatusManager_getInstance(
           AttachCurrentThread(), base::android::GetApplicationContext()));
 }
 
+BatteryStatusManager::BatteryStatusManager() {
+}
+
 BatteryStatusManager::~BatteryStatusManager() {
-  StopListeningBatteryChange();
 }
 
 bool BatteryStatusManager::Register(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 void BatteryStatusManager::GotBatteryStatus(JNIEnv*, jobject,
     jboolean charging, jdouble charging_time, jdouble discharging_time,
     jdouble level) {
   blink::WebBatteryStatus status;
   status.charging = charging;
   status.chargingTime = charging_time;
   status.dischargingTime = discharging_time;
   status.level = level;
   callback_.Run(status);
 }
 
 bool BatteryStatusManager::StartListeningBatteryChange() {
   return Java_BatteryStatusManager_start(
       AttachCurrentThread(), j_manager_.obj(),
       reinterpret_cast<intptr_t>(this));
 }
 
 void BatteryStatusManager::StopListeningBatteryChange() {
   Java_BatteryStatusManager_stop(
       AttachCurrentThread(), j_manager_.obj());
 }
 
 }  // namespace content