bindings: Use Maybe version of Call()

Source/bindings/core/v8/ScriptController.h

 /*
  * Copyright (C) 2008, 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 88 matching lines @@
     // If an isolated world with the specified ID already exists, it is reused.
     // Otherwise, a new world is created.
     //
     // FIXME: Get rid of extensionGroup here.
     // FIXME: We don't want to support multiple scripts.
     void executeScriptInIsolatedWorld(int worldID, const WillBeHeapVector<ScriptSourceCode>& sources, int extensionGroup, Vector<v8::Local<v8::Value>>* results);
 
     // 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
     // ignored when evaluating resources injected into the DOM.
     bool shouldBypassMainWorldCSP();
 
     // Creates a property of the global object of a frame.
     void bindToWindowObject(LocalFrame*, const String& key, NPObject*);
 
     PassRefPtr<SharedPersistent<v8::Object>> createPluginWrapper(Widget*);
@@ skipping 52 matching lines @@
     // invalidate all sub-objects which are associated with that plugin.
     // The frame keeps a NPObject reference for each item on the list.
     PluginObjectMap m_pluginObjects;
 
     NPObject* m_windowScriptNPObject;
 };
 
 } // namespace blink
 
 #endif // ScriptController_h