chromeos: Move files in //ash/common to //ash, part 1

ash/common/system/chromeos/palette/palette_utils.h

-// Copyright 2016 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 ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_UTILS_H_
-#define ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_UTILS_H_
-
-#include "ash/ash_export.h"
-
-namespace gfx {
-class Point;
-}
-
-namespace ash {
-namespace palette_utils {
-
-// Returns true if there is a stylus input device on the internal display. This
-// will return false even if there is a stylus input device until hardware
-// probing is complete (see ui::InputDeviceEventObserver).
-ASH_EXPORT bool HasStylusInput();
-
-// Returns true if the palette should be shown on every display.
-ASH_EXPORT bool IsPaletteEnabledOnEveryDisplay();
-
-// Returns true if either the palette icon or the palette widget contain the
-// given point (in screen space).
-ASH_EXPORT bool PaletteContainsPointInScreen(const gfx::Point& point);
-
-}  // namespace palette_utils
-}  // namespace ash
-
-#endif  // ASH_COMMON_SYSTEM_CHROMEOS_PALETTE_PALETTE_UTILS_H_