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

views/view.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/view.h"
 
 #include <algorithm>
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
@@ skipping 830 matching lines @@
   // we should de-register from that focus manager now.
   if (GetWidget() && accelerator_focus_manager_)
     accelerator_focus_manager_->UnregisterAccelerator(accelerator, this);
 }
 
 void View::ResetAccelerators() {
   if (accelerators_.get())
     UnregisterAccelerators(false);
 }
 
-bool View::AcceleratorPressed(const Accelerator& accelerator) {
+bool View::AcceleratorPressed(const ui::Accelerator& accelerator) {
   return false;
 }
 
 // Focus -----------------------------------------------------------------------
 
 bool View::HasFocus() const {
   const FocusManager* focus_manager = GetFocusManager();
   return focus_manager && (focus_manager->GetFocusedView() == this);
 }
 
@@ skipping 1205 matching lines @@
 
   OSExchangeData data;
   WriteDragData(press_pt, &data);
 
   // Message the RootView to do the drag and drop. That way if we're removed
   // the RootView can detect it and avoid calling us back.
   GetWidget()->RunShellDrag(this, data, drag_operations);
 }
 
 }  // namespace views