Revert of Move ScriptState::GetExecutionContext (Part 5)

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 4e50bbae802c74ecc1b09678300b1c2d7baa1bc5..41fbf315887d1611f1b0a916d4b57b2b6572523c 100644
--- a/third_party/WebKit/Source/modules/battery/BatteryManager.cpp
+++ b/third_party/WebKit/Source/modules/battery/BatteryManager.cpp
@@ -6,7 +6,6 @@
 
 #include "core/dom/DOMException.h"
 #include "core/dom/Document.h"
-#include "core/dom/ExecutionContext.h"
 #include "core/events/Event.h"
 #include "modules/battery/BatteryDispatcher.h"
 #include "platform/wtf/Assertions.h"
@@ -27,8 +26,8 @@ BatteryManager::BatteryManager(ExecutionContext* context)
 
 ScriptPromise BatteryManager::StartRequest(ScriptState* script_state) {
   if (!battery_property_) {
-    battery_property_ = new BatteryProperty(
-        ExecutionContext::From(script_state), this, BatteryProperty::kReady);
+    battery_property_ = new BatteryProperty(script_state->GetExecutionContext(),
+                                            this, BatteryProperty::kReady);
 
     // If the context is in a stopped state already, do not start updating.
     if (!GetExecutionContext() || GetExecutionContext()->IsContextDestroyed()) {