Revert 66784 - Converts usage of SetProp/GetProp to a map. Even after making ...

views/widget/child_window_message_processor.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef VIEWS_WIDGET_CHILD_WINDOW_MESSAGE_PROCESSOR_H_
 #define VIEWS_WIDGET_CHILD_WINDOW_MESSAGE_PROCESSOR_H_
 #pragma once
 
 #include <windows.h>
 
 namespace app {
-class ViewProp;
+namespace win {
+class ScopedProp;
+}
 }
 
 namespace views {
 
 // Windows sends a handful of messages to the parent window rather than the
 // window itself. For example, selection changes of a rich edit (EN_SELCHANGE)
 // are sent to the parent, not the window. Typically such message are best
 // dealt with by the window rather than the parent. WidgetWin allows for
 // registering a ChildWindowMessageProcessor to handle such messages.
 class ChildWindowMessageProcessor {
  public:
   // Registers |processor| for |hwnd|. The caller takes ownership of the
   // returned object.
-  static app::ViewProp* Register(HWND hwnd,
-                                 ChildWindowMessageProcessor* processor);
+  static app::win::ScopedProp* Register(HWND hwnd,
+                                        ChildWindowMessageProcessor* processor);
 
   // Returns the ChildWindowMessageProcessor for |hwnd|, NULL if there isn't
   // one.
   static ChildWindowMessageProcessor* Get(HWND hwnd);
 
   // Invoked for any messages that are sent to the parent and originated from
   // the HWND this ChildWindowMessageProcessor was registered for. Returns true
   // if the message was handled with a valid result in |result|. Returns false
   // if the message was not handled.
   virtual bool ProcessMessage(UINT message,
                               WPARAM w_param,
                               LPARAM l_param,
                               LRESULT* result) = 0;
 
  protected:
   virtual ~ChildWindowMessageProcessor() {}
 };
 
 }  // namespace views
 
 #endif // VIEWS_WIDGET_CHILD_WINDOW_MESSAGE_PROCESSOR_H_