Wires up registering accelerators from mash with the wm

ui/base/accelerators/accelerator_history.cc

 // Copyright 2014 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 "ui/base/accelerators/accelerator_history.h"
+
 #include "ui/events/event_constants.h"
 
 namespace ui {
 
 // ----------------------------------------------------------------------
 // Public Methods
 // ----------------------------------------------------------------------
 
 AcceleratorHistory::AcceleratorHistory()
   : current_accelerator_(),
     previous_accelerator_() {
 }
 
 AcceleratorHistory::~AcceleratorHistory() {
 }
 
 void AcceleratorHistory::StoreCurrentAccelerator(
                             const Accelerator& accelerator) {
   if (accelerator != current_accelerator_) {
     previous_accelerator_ = current_accelerator_;
     current_accelerator_ = accelerator;
   }
 }
 
 } // namespace ui