Moves accelerator code using common types to ash/common

ash/accelerators/debug_commands.h

-// Copyright 2013 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_ACCELERATORS_DEBUG_COMMANDS_H_
-#define ASH_ACCELERATORS_DEBUG_COMMANDS_H_
-
-#include "ash/accelerators/accelerator_table.h"
-#include "ash/ash_export.h"
-
-// This file contains implementations of commands that are used only when
-// debugging.
-//
-// NOTE: these commands may be enabled in about:flags, so that they may be
-// available at run time.
-namespace ash {
-namespace debug {
-
-// Print the views::View, ui::Layer and aura::Window hierarchies. This may be
-// useful in debugging user reported bugs.
-ASH_EXPORT void PrintUIHierarchies();
-
-// Returns true if debug accelerators are enabled.
-ASH_EXPORT bool DebugAcceleratorsEnabled();
-
-// Performs |action| if |action| belongs to a debug-only accelerator and debug
-// accelerators are enabled.
-ASH_EXPORT void PerformDebugActionIfEnabled(AcceleratorAction action);
-
-}  // namespace debug
-}  // namespace ash
-
-#endif  // ASH_ACCELERATORS_DEBUG_COMMANDS_H_