Move views::Accelerator to ui in order to use it from aura code.

views/focus/accelerator_handler_touch.cc

 // 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.
 
 #include "views/focus/accelerator_handler.h"
 
 #include <bitset>
 #include <gtk/gtk.h>
 #include <X11/extensions/XInput2.h>
 
 #include "ui/base/touch/touch_factory.h"
-#include "views/accelerator.h"
 #include "views/events/event.h"
 #include "views/focus/focus_manager.h"
 #include "views/ime/input_method.h"
 #include "views/view.h"
 #include "views/widget/native_widget.h"
 
 namespace views {
 
 namespace {
 
@@ skipping 156 matching lines @@
 AcceleratorHandler::AcceleratorHandler() {}
 
 base::MessagePumpDispatcher::DispatchStatus
     AcceleratorHandler::Dispatch(XEvent* xev) {
   return DispatchXEvent(xev) ?
       base::MessagePumpDispatcher::EVENT_PROCESSED :
       base::MessagePumpDispatcher::EVENT_IGNORED;
 }
 
 }  // namespace views