Linux: Dynamically load libudev.

chrome/chrome_browser.gypi

 # Copyright 2012 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': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 3169 matching lines @@
             }],
             ['safe_browsing == 2', {
               'defines': [
                 'MOBILE_SAFE_BROWSING',
               ],
             }],
           ],
         }],
         ['use_udev == 1', {
           'dependencies': [
-            '../build/linux/system.gyp:udev',
+            '../device/udev_linux/udev.gyp:udev_linux',
           ],
         }],
         ['OS=="linux"', {
           'dependencies': [
             '../device/media_transfer_protocol/media_transfer_protocol.gyp:mtp_file_entry_proto',
             '../device/media_transfer_protocol/media_transfer_protocol.gyp:mtp_storage_info_proto',
             '../device/media_transfer_protocol/media_transfer_protocol.gyp:device_media_transfer_protocol',
           ],
         }],
         ['OS=="linux" and chromeos==0', {
@@ skipping 468 matching lines @@
           'variables': {
             'proto_in_dir': 'browser/sync_file_system/drive_backend',
             'proto_out_dir': 'chrome/browser/sync_file_system/drive_backend',
           },
           'includes': [ '../build/protoc.gypi' ]
         },
       ],
     },],
   ],
 }