Reland of name AXObject to AXObjectImpl in modules/ and web/

third_party/WebKit/Source/core/page/PagePopup.h

 /*
  * Copyright (C) 2012 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 20 matching lines @@
 #ifndef PagePopup_h
 #define PagePopup_h
 
 #include "platform/wtf/Forward.h"
 
 // To avoid conflicts with the CreateWindow macro from the Windows SDK...
 #undef PostMessage
 
 namespace blink {
 
-class AXObject;
+class AXObjectImpl;
 class IntRect;
 
 // A PagePopup object is created by ChromeClient::openPagePopup(), and deleted
 // by ChromeClient::closePagePopup().
 class PagePopup {
  public:
-  virtual AXObject* RootAXObject() = 0;
+  virtual AXObjectImpl* RootAXObject() = 0;
   virtual void SetWindowRect(const IntRect&) = 0;
   virtual void PostMessage(const String& message) = 0;
 
  protected:
   virtual ~PagePopup() {}
 };
 
 }  // namespace blink
 #endif