Reland: Don't store ScriptValue in PopStateEvent

third_party/WebKit/Source/bindings/core/v8/custom/V8PopStateEventCustom.cpp

Index: third_party/WebKit/Source/bindings/core/v8/custom/V8PopStateEventCustom.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/custom/V8PopStateEventCustom.cpp b/third_party/WebKit/Source/bindings/core/v8/custom/V8PopStateEventCustom.cpp
index 7862158a79940f235580e7a8414a105b4c766d91..b04641eca42a5f7ec3912b8a88950766bf79eef0 100644
--- a/third_party/WebKit/Source/bindings/core/v8/custom/V8PopStateEventCustom.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/custom/V8PopStateEventCustom.cpp
@@ -77,7 +77,7 @@ void V8PopStateEvent::stateAttributeGetterCustom(
     if (event->SerializedState())
       result = event->SerializedState()->Deserialize(isolate);
     else
-      result = event->state().V8ValueFor(script_state);
+      result = event->state(script_state).V8Value();
     if (result.IsEmpty())
       result = v8::Null(isolate);
     V8SetReturnValue(info, CacheState(script_state, info.Holder(), result));