Move DeviceMonitorLinux to //device/core.

device/hid/hid.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 36 matching lines @@
         'hid_service_win.h',
         'hid_usage_and_page.cc',
         'hid_usage_and_page.h',
       ],
       'conditions': [
         ['OS=="linux" and use_udev==1', {
           'dependencies': [
             '../udev_linux/udev.gyp:udev_linux',
           ],
           'sources': [
-            'device_monitor_linux.cc',
-            'device_monitor_linux.h',
             'fake_input_service_linux.cc',
             'fake_input_service_linux.h',
             'hid_service_linux.cc',
             'hid_service_linux.h',
             'input_service_linux.cc',
             'input_service_linux.h',
           ],
-        }],        
+        }],
         ['OS=="win"', {
           'all_dependent_settings': {
             'msvs_settings': {
               'VCLinkerTool': {
                 'AdditionalDependencies': [
                   'hid.lib',
                   'setupapi.lib',
                 ],
               },
             },
@@ skipping 19 matching lines @@
         '../../testing/gmock.gyp:gmock',
         'device_hid',
       ],
       'sources': [
         'mock_hid_service.cc',
         'mock_hid_service.h',
       ],
     },
   ],
 }