binidngs: Make callInternalFunction return MaybeLocal

Source/bindings/core/v8/V8LazyEventListener.cpp

Index: Source/bindings/core/v8/V8LazyEventListener.cpp
diff --git a/Source/bindings/core/v8/V8LazyEventListener.cpp b/Source/bindings/core/v8/V8LazyEventListener.cpp
index 09c21574b18ed798c53affdd090a9283f78b2c4a..81f134dec1138b514b65df15304bafbc5f31ef29 100644
--- a/Source/bindings/core/v8/V8LazyEventListener.cpp
+++ b/Source/bindings/core/v8/V8LazyEventListener.cpp
@@ -188,8 +188,8 @@ void V8LazyEventListener::prepareListenerObject(ExecutionContext* executionConte
         return;
 
     // FIXME: Remove this code when we stop doing the 'with' hack above.
-    v8::Local<v8::Value> innerValue = V8ScriptRunner::callInternalFunction(intermediateFunction, thisObject, 0, 0, isolate());
-    if (innerValue.IsEmpty() || !innerValue->IsFunction())
+    v8::Local<v8::Value> innerValue;
+    if (!V8ScriptRunner::callInternalFunction(intermediateFunction, thisObject, 0, 0, isolate()).ToLocal(&innerValue) || !innerValue->IsFunction())
         return;
 
     v8::Local<v8::Function> wrappedFunction = innerValue.As<v8::Function>();