Make Interaction Media Features MQ dynamic on Linux.

ui/events/devices/input_device.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/events/devices/input_device.h"
 
 #include <string>
 
 namespace ui {
 
@@ skipping 12 matching lines @@
 
 InputDevice::InputDevice(int id,
                          InputDeviceType type,
                          const std::string& name,
                          const base::FilePath& sys_path,
                          uint16_t vendor,
                          uint16_t product)
     : id(id),
       type(type),
       name(name),
+      enabled(true),
       sys_path(sys_path),
       vendor_id(vendor),
       product_id(product) {}
 
 InputDevice::InputDevice(const InputDevice& other) = default;
 
 InputDevice::~InputDevice() {
 }
 
 }  // namespace ui