bindings: Use Maybe version of Call()

Source/bindings/core/v8/ScriptController.h

Index: Source/bindings/core/v8/ScriptController.h
diff --git a/Source/bindings/core/v8/ScriptController.h b/Source/bindings/core/v8/ScriptController.h
index 4f86eec99ef60c6e0b9f273dfcad325c329f8b87..1fc11d6a9c5ede1c52670273abd9212cbe11ab04 100644
--- a/Source/bindings/core/v8/ScriptController.h
+++ b/Source/bindings/core/v8/ScriptController.h
@@ -106,8 +106,8 @@ public:
     // Returns true if argument is a JavaScript URL.
     bool executeScriptIfJavaScriptURL(const KURL&);
 
-    v8::Local<v8::Value> callFunction(v8::Local<v8::Function>, v8::Local<v8::Value>, int argc, v8::Local<v8::Value> argv[]);
-    static v8::Local<v8::Value> callFunction(ExecutionContext*, v8::Local<v8::Function>, v8::Local<v8::Value> receiver, int argc, v8::Local<v8::Value> info[], v8::Isolate*);
+    v8::MaybeLocal<v8::Value> callFunction(v8::Local<v8::Function>, v8::Local<v8::Value>, int argc, v8::Local<v8::Value> argv[]);
+    static v8::MaybeLocal<v8::Value> callFunction(ExecutionContext*, v8::Local<v8::Function>, v8::Local<v8::Value> receiver, int argc, v8::Local<v8::Value> info[], v8::Isolate*);
 
     // Returns true if the current world is isolated, and has its own Content
     // Security Policy. In this case, the policy of the main world should be