Fix toV8 with empty context in InspectorOverlay::overlayPage()

Source/core/inspector/InspectorOverlay.cpp

 /*
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 708 matching lines @@
     frame->view()->setCanHaveScrollbars(false);
     frame->view()->setTransparent(true);
 
     RefPtr<SharedBuffer> data = SharedBuffer::create(reinterpret_cast<const char*>(InspectorOverlayPage_html), sizeof(InspectorOverlayPage_html));
     loader.load(FrameLoadRequest(0, blankURL(), SubstituteData(data, "text/html", "UTF-8", KURL(), ForceSynchronousLoad)));
     v8::Isolate* isolate = toIsolate(frame.get());
     v8::HandleScope handleScope(isolate);
     v8::Handle<v8::Context> frameContext = toV8Context(isolate, frame.get(), DOMWrapperWorld::mainWorld());
     ASSERT(!frameContext.IsEmpty());
     v8::Context::Scope contextScope(frameContext);
-    v8::Handle<v8::Value> overlayHostObj = toV8(m_overlayHost.get(), v8::Handle<v8::Object>(), isolate);
     v8::Handle<v8::Object> global = frameContext->Global();
+    v8::Handle<v8::Value> overlayHostObj = toV8(m_overlayHost.get(), global, isolate);
     global->Set(v8::String::NewFromUtf8(isolate, "InspectorOverlayHost"), overlayHostObj);
 
 #if OS(WIN)
     evaluateInOverlay("setPlatform", "windows");
 #elif OS(MACOSX)
     evaluateInOverlay("setPlatform", "mac");
 #elif OS(POSIX)
     evaluateInOverlay("setPlatform", "linux");
 #endif
 
@@ skipping 56 matching lines @@
     hideHighlight();
 }
 
 void InspectorOverlay::startedRecordingProfile()
 {
     if (!m_activeProfilerCount++)
         freePage();
 }
 
 } // namespace WebCore