Consolidate Widget Event code, other cleanup.

ui/views/widget/native_widget_win.h

 // Copyright (c) 2011 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 "ui/base/win/window_impl.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 219 matching lines @@
 
   // Start tracking all mouse events so that this window gets sent mouse leave
   // messages too.
   void TrackMouseEvents(DWORD mouse_tracking_flags);
 
   bool ProcessMouseRange(UINT message, WPARAM w_param, LPARAM l_param,
                          bool non_client);
   void ProcessMouseMoved(const CPoint& point, UINT flags, bool is_nonclient);
   void ProcessMouseExited();
 
-  // Fills out a MSG struct with the supplied values.
-  void MakeMSG(MSG* msg, UINT message, WPARAM w_param, LPARAM l_param,
-               DWORD time = 0, LONG x = 0, LONG y = 0) const;
-
   void CloseNow();
 
   bool IsLayeredWindow() const;
 
   // A listener implementation that handles events received here.
   NativeWidgetListener* listener_;
 
   // The flags currently being used with TrackMouseEvent to track mouse
   // messages. 0 if there is no active tracking. The value of this member is
   // used when tracking is canceled.
@@ skipping 11 matching lines @@
   ViewProps props_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeWidgetWin);
 };
 
 }  // namespace internal
 }  // namespace ui
 
 #endif  // UI_VIEWS_WIDGET_NATIVE_WIDGET_WIN_H_