Allow binding a getter+setter for window object property.

Source/bindings/v8/ScriptController.cpp

Index: Source/bindings/v8/ScriptController.cpp
diff --git a/Source/bindings/v8/ScriptController.cpp b/Source/bindings/v8/ScriptController.cpp
index fcc59bac09c4d0f6944934c5e7b228838fdb1aaf..542862a1684ac73f42a094733ae929d40e6f7646 100644
--- a/Source/bindings/v8/ScriptController.cpp
+++ b/Source/bindings/v8/ScriptController.cpp
@@ -1,6 +1,7 @@
 /*
  * Copyright (C) 2008, 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Apple Inc. All rights reserved.
+ * Copyright (C) 2013 Opera Software ASA. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -361,6 +362,19 @@ void ScriptController::bindToWindowObject(Frame* frame, const String& key, NPObj
     global->Set(v8String(key, v8Context->GetIsolate()), value);
 }
 
+void ScriptController::bindToWindowObject(Frame* frame, const String &key, v8::AccessorGetter getter, v8::AccessorSetter setter, v8::Handle<v8::Value> data)
+{
+    v8::HandleScope handleScope;
+    v8::Handle<v8::Context> v8Context = ScriptController::mainWorldContext(frame);
+    if (v8Context.IsEmpty())
+        return;
+
+    v8::Context::Scope scope(v8Context);
+
+    v8::Handle<v8::Object> global = v8Context->Global();
+    global->SetAccessor(v8String(key, v8Context->GetIsolate()), getter, setter, data);
+}
+
 void ScriptController::enableEval()
 {
     if (!m_windowShell->isContextInitialized())