Move the mouse wheel utils from views to ui\base\win, to get rid of some views dependencies in co...

ui/base/win/mouse_wheel_util.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 VIEWS_FOCUS_FOCUS_UTIL_WIN_H_
-#define VIEWS_FOCUS_FOCUS_UTIL_WIN_H_
+#ifndef UI_BASE_WIN_MOUSE_WHEEL_UTIL_H_
+#define UI_BASE_WIN_MOUSE_WHEEL_UTIL_H_
 #pragma once
 
 #include <windows.h>
 
-#include "views/views_export.h"
+#include "ui/base/ui_export.h"
 
 namespace ui {
+
 class ViewProp;
-}
-
-namespace views {
 
 // Marks the passed |hwnd| as supporting mouse-wheel message rerouting.
 // We reroute the mouse wheel messages to such HWND when they are under the
 // mouse pointer (but are not the active window). Callers own the returned
 // object.
-VIEWS_EXPORT ui::ViewProp* SetWindowSupportsRerouteMouseWheel(HWND hwnd);
+UI_EXPORT ViewProp* SetWindowSupportsRerouteMouseWheel(HWND hwnd);
 
 // Forwards mouse wheel messages to the window under it.
 // Windows sends mouse wheel messages to the currently active window.
 // This causes a window to scroll even if it is not currently under the mouse
 // wheel. The following code gives mouse wheel messages to the window under the
 // mouse wheel in order to scroll that window. This is arguably a better user
 // experience.  The returns value says whether the mouse wheel message was
 // successfully redirected.
-VIEWS_EXPORT bool RerouteMouseWheel(HWND window, WPARAM w_param,
-                                    LPARAM l_param);
+UI_EXPORT bool RerouteMouseWheel(HWND window, WPARAM w_param,
+                                 LPARAM l_param);
 
-}   // namespace views
+}  // namespace ui
 
-#endif  // VIEWS_FOCUS_FOCUS_UTIL_WIN_H_
+#endif  // UI_BASE_WIN_MOUSE_WHEEL_UTIL_H_