Revert of Migrates battery_status from content/renderer/ to WebKit/platform/

third_party/WebKit/Source/modules/battery/BatteryManager.cpp

Index: third_party/WebKit/Source/modules/battery/BatteryManager.cpp
diff --git a/third_party/WebKit/Source/modules/battery/BatteryManager.cpp b/third_party/WebKit/Source/modules/battery/BatteryManager.cpp
index 3a8a4f0c2f52e65499a29657b4b50fb8479f5812..f7b280b33a0fc2e50d9b5a8342c2bffae33911ef 100644
--- a/third_party/WebKit/Source/modules/battery/BatteryManager.cpp
+++ b/third_party/WebKit/Source/modules/battery/BatteryManager.cpp
@@ -7,6 +7,7 @@
 #include "core/dom/Document.h"
 #include "core/events/Event.h"
 #include "modules/battery/BatteryDispatcher.h"
+#include "modules/battery/BatteryStatus.h"
 
 namespace blink {
 
@@ -27,6 +28,7 @@
 BatteryManager::BatteryManager(ExecutionContext* context)
     : ActiveDOMObject(context)
     , PlatformEventController(toDocument(context)->page())
+    , m_batteryStatus(BatteryStatus::create())
 {
 }
 
@@ -49,30 +51,30 @@
 
 bool BatteryManager::charging()
 {
-    return m_batteryStatus.charging();
+    return m_batteryStatus->charging();
 }
 
 double BatteryManager::chargingTime()
 {
-    return m_batteryStatus.charging_time();
+    return m_batteryStatus->chargingTime();
 }
 
 double BatteryManager::dischargingTime()
 {
-    return m_batteryStatus.discharging_time();
+    return m_batteryStatus->dischargingTime();
 }
 
 double BatteryManager::level()
 {
-    return m_batteryStatus.level();
+    return m_batteryStatus->level();
 }
 
 void BatteryManager::didUpdateData()
 {
     ASSERT(m_batteryProperty);
 
-    BatteryStatus oldStatus = m_batteryStatus;
-    m_batteryStatus = *BatteryDispatcher::instance().latestData();
+    BatteryStatus* oldStatus = m_batteryStatus;
+    m_batteryStatus = BatteryDispatcher::instance().latestData();
 
     if (m_batteryProperty->state() == ScriptPromisePropertyBase::Pending) {
         m_batteryProperty->resolve(this);
@@ -84,13 +86,15 @@
     if (document->activeDOMObjectsAreSuspended() || document->activeDOMObjectsAreStopped())
         return;
 
-    if (m_batteryStatus.charging() != oldStatus.charging())
+    ASSERT(oldStatus);
+
+    if (m_batteryStatus->charging() != oldStatus->charging())
         dispatchEvent(Event::create(EventTypeNames::chargingchange));
-    if (m_batteryStatus.charging_time() != oldStatus.charging_time())
+    if (m_batteryStatus->chargingTime() != oldStatus->chargingTime())
         dispatchEvent(Event::create(EventTypeNames::chargingtimechange));
-    if (m_batteryStatus.discharging_time() != oldStatus.discharging_time())
+    if (m_batteryStatus->dischargingTime() != oldStatus->dischargingTime())
         dispatchEvent(Event::create(EventTypeNames::dischargingtimechange));
-    if (m_batteryStatus.level() != oldStatus.level())
+    if (m_batteryStatus->level() != oldStatus->level())
         dispatchEvent(Event::create(EventTypeNames::levelchange));
 }
 
@@ -138,6 +142,7 @@
 DEFINE_TRACE(BatteryManager)
 {
     visitor->trace(m_batteryProperty);
+    visitor->trace(m_batteryStatus);
     PlatformEventController::trace(visitor);
     RefCountedGarbageCollectedEventTargetWithInlineData<BatteryManager>::trace(visitor);
     ActiveDOMObject::trace(visitor);