Move more message handlers from NativeWidgetWin to HWNDMessageHandler.

ui/views/widget/native_widget_win.h

 // Copyright (c) 2012 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 UI_VIEWS_WIDGET_NATIVE_WIDGET_WIN_H_
 #define UI_VIEWS_WIDGET_NATIVE_WIDGET_WIN_H_
 
 #include <atlbase.h>
 #include <atlapp.h>
 #include <atlcrack.h>
@@ skipping 524 matching lines @@
   void LockUpdates(bool force);
   void UnlockUpdates(bool force);
 
   // Determines whether the delegate expects the client size or the window size.
   bool WidgetSizeIsClientSize() const;
 
   // Responds to the client area changing size, either at window creation time
   // or subsequently.
   void ClientAreaSizeChanged();
 
-  // Resets the window region for the current widget bounds if necessary.
-  // If |force| is true, the window region is reset to NULL even for native
-  // frame windows.
-  void ResetWindowRegion(bool force);
-
   // When removing the standard frame, tells the DWM how much glass we want on
   // the edges. Currently hardcoded to 10px on all sides.
   void UpdateDWMFrame();
 
   // Calls DefWindowProc, safely wrapping the call in a ScopedRedrawLock to
   // prevent frame flicker. DefWindowProc handling can otherwise render the
   // classic-look window title bar directly.
   LRESULT DefWindowProcWithRedrawLock(UINT message,
                                       WPARAM w_param,
                                       LPARAM l_param);
@@ skipping 153 matching lines @@
   TouchIDs touch_ids_;
 
   scoped_ptr<HWNDMessageHandler> message_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeWidgetWin);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_NATIVE_WIDGET_WIN_H_