Disambiguate LifecycleObserver::contextDestroyed

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 885ac957fdd03a3bd2e38570f73c8f8c98725e2e..694dac1a6b93243ccadf56946190b1f0aa746257 100644
--- a/third_party/WebKit/Source/modules/battery/BatteryManager.cpp
+++ b/third_party/WebKit/Source/modules/battery/BatteryManager.cpp
@@ -105,12 +105,14 @@ void BatteryManager::resume() {
   startUpdating();
 }
 
-void BatteryManager::contextDestroyed() {
+void BatteryManager::contextDestroyed(ExecutionContext*) {
   m_hasEventListener = false;
   m_batteryProperty = nullptr;
   stopUpdating();
 }
 
+void BatteryManager::contextDestroyed(Page*) {}
+
 bool BatteryManager::hasPendingActivity() const {
   // Prevent V8 from garbage collecting the wrapper object if there are
   // event listeners attached to it.