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

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

-// 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.
-
-#include "ash/common/system/chromeos/palette/palette_utils.h"
-
-#include "ash/common/ash_switches.h"
-#include "ash/common/shelf/wm_shelf.h"
-#include "ash/common/system/chromeos/palette/palette_tray.h"
-#include "ash/common/system/status_area_widget.h"
-#include "ash/common/wm_shell.h"
-#include "ash/common/wm_window.h"
-#include "base/command_line.h"
-#include "ui/events/devices/input_device_manager.h"
-#include "ui/events/devices/touchscreen_device.h"
-#include "ui/gfx/geometry/point.h"
-
-namespace ash {
-namespace palette_utils {
-
-bool HasStylusInput() {
-  // Allow the user to force-enable by passing a switch.
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kAshForceEnablePalette)) {
-    return true;
-  }
-
-  for (const ui::TouchscreenDevice& device :
-       ui::InputDeviceManager::GetInstance()->GetTouchscreenDevices()) {
-    if (device.is_stylus &&
-        device.type == ui::InputDeviceType::INPUT_DEVICE_INTERNAL) {
-      return true;
-    }
-  }
-
-  return false;
-}
-
-bool IsPaletteEnabledOnEveryDisplay() {
-  return base::CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kAshEnablePaletteOnAllDisplays);
-}
-
-bool PaletteContainsPointInScreen(const gfx::Point& point) {
-  for (WmWindow* window : WmShell::Get()->GetAllRootWindows()) {
-    PaletteTray* palette_tray =
-        WmShelf::ForWindow(window)->GetStatusAreaWidget()->palette_tray();
-    if (palette_tray && palette_tray->ContainsPointInScreen(point))
-      return true;
-  }
-
-  return false;
-}
-
-}  // namespace palette_utils
-}  // namespace ash