Continue deleting code in ui/.

ui/base/win/mouse_wheel_util.h

Index: ui/base/win/mouse_wheel_util.h
diff --git a/ui/base/win/mouse_wheel_util.h b/ui/base/win/mouse_wheel_util.h
deleted file mode 100644
index b9f5872b0c49ed54d2282962e4238edfc874e87a..0000000000000000000000000000000000000000
--- a/ui/base/win/mouse_wheel_util.h
+++ /dev/null
@@ -1,35 +0,0 @@
-// 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_BASE_WIN_MOUSE_WHEEL_UTIL_H_
-#define UI_BASE_WIN_MOUSE_WHEEL_UTIL_H_
-
-#include <windows.h>
-
-#include "ui/base/ui_base_export.h"
-
-namespace ui {
-
-class ViewProp;
-
-// 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.
-UI_BASE_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.
-UI_BASE_EXPORT bool RerouteMouseWheel(HWND window,
-                                      WPARAM w_param,
-                                      LPARAM l_param);
-
-}  // namespace ui
-
-#endif  // UI_BASE_WIN_MOUSE_WHEEL_UTIL_H_