Remove Battery Status API support code from Blink

Source/modules/battery/BatteryManager.cpp

Index: Source/modules/battery/BatteryManager.cpp
diff --git a/Source/modules/battery/BatteryManager.cpp b/Source/modules/battery/BatteryManager.cpp
deleted file mode 100644
index 29436dc0a733f659362e38411971a85299644673..0000000000000000000000000000000000000000
--- a/Source/modules/battery/BatteryManager.cpp
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- *  Copyright (C) 2012 Samsung Electronics
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Library General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Library General Public License for more details.
- *
- *  You should have received a copy of the GNU Library General Public License
- *  along with this library; see the file COPYING.LIB.  If not, write to
- *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- *  Boston, MA 02110-1301, USA.
- */
-
-#include "config.h"
-#include "modules/battery/BatteryManager.h"
-
-#if ENABLE(BATTERY_STATUS)
-
-#include "core/dom/Document.h"
-#include "core/dom/Event.h"
-#include "core/page/Frame.h"
-#include "core/page/Navigator.h"
-#include "modules/battery/BatteryController.h"
-#include "modules/battery/BatteryStatus.h"
-#include <limits>
-
-namespace WebCore {
-
-PassRefPtr<BatteryManager> BatteryManager::create(Navigator* navigator)
-{
-    RefPtr<BatteryManager> batteryManager(adoptRef(new BatteryManager(navigator)));
-    batteryManager->suspendIfNeeded();
-    return batteryManager.release();
-}
-
-BatteryManager::~BatteryManager()
-{
-}
-
-BatteryManager::BatteryManager(Navigator* navigator)
-    : ActiveDOMObject(navigator->frame()->document())
-    , m_batteryController(BatteryController::from(navigator->frame()->page()))
-    , m_batteryStatus(0)
-{
-    m_batteryController->addListener(this);
-}
-
-bool BatteryManager::charging()
-{
-    return m_batteryStatus ? m_batteryStatus->charging() : true;
-}
-
-double BatteryManager::chargingTime()
-{
-    if (!m_batteryStatus || !m_batteryStatus->charging())
-        return std::numeric_limits<double>::infinity();
-
-    return m_batteryStatus->chargingTime();
-}
-
-double BatteryManager::dischargingTime()
-{
-    if (!m_batteryStatus || m_batteryStatus->charging())
-        return std::numeric_limits<double>::infinity();
-
-    return m_batteryStatus->dischargingTime();
-}
-
-double BatteryManager::level()
-{
-    return m_batteryStatus ? m_batteryStatus->level() : 1;
-}
-
-void BatteryManager::didChangeBatteryStatus(PassRefPtr<Event> event, PassRefPtr<BatteryStatus> batteryStatus)
-{
-    m_batteryStatus = batteryStatus;
-    dispatchEvent(event);
-}
-
-void BatteryManager::suspend(ReasonForSuspension)
-{
-    if (m_batteryController)
-        m_batteryController->removeListener(this);
-}
-
-void BatteryManager::resume()
-{
-    if (m_batteryController)
-        m_batteryController->addListener(this);
-}
-
-void BatteryManager::stop()
-{
-    if (m_batteryController)
-        m_batteryController->removeListener(this);
-}
-
-} // namespace WebCore
-
-#endif // BATTERY_STATUS
-