Continue deleting code in ui/.

ui/base/win/internal_constants.h

Index: ui/base/win/internal_constants.h
diff --git a/ui/base/win/internal_constants.h b/ui/base/win/internal_constants.h
deleted file mode 100644
index d81c34de4f10aec1d914442c79ec2cecaff43dad..0000000000000000000000000000000000000000
--- a/ui/base/win/internal_constants.h
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright (c) 2014 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_INTERNAL_CONSTANTS_H_
-#define UI_BASE_WIN_INTERNAL_CONSTANTS_H_
-
-#include "ui/base/ui_base_export.h"
-
-namespace ui {
-
-// This window property if set on the window does not activate the window for a
-// touch based WM_MOUSEACTIVATE message.
-UI_BASE_EXPORT extern const wchar_t kIgnoreTouchMouseActivateForWindow[];
-
-}  // namespace ui
-
-#endif  // UI_BASE_WIN_INTERNAL_CONSTANTS_H_
-
-