Add chrome:://device-log

chrome/chrome_browser_ui.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': {
     'chrome_browser_ui_non_ios_sources': [
       'browser/ui/accelerator_utils.h',
       'browser/ui/android/android_about_app_info.cc',
       'browser/ui/android/android_about_app_info.h',
@@ skipping 897 matching lines @@
       'browser/ui/webui/chromeos/bluetooth_pairing_ui.cc',
       'browser/ui/webui/chromeos/bluetooth_pairing_ui.h',
       'browser/ui/webui/chromeos/certificate_manager_dialog_ui.cc',
       'browser/ui/webui/chromeos/certificate_manager_dialog_ui.h',
       'browser/ui/webui/chromeos/choose_mobile_network_ui.cc',
       'browser/ui/webui/chromeos/choose_mobile_network_ui.h',
       'browser/ui/webui/chromeos/cryptohome_ui.cc',
       'browser/ui/webui/chromeos/cryptohome_ui.h',
       'browser/ui/webui/chromeos/cryptohome_web_ui_handler.cc',
       'browser/ui/webui/chromeos/cryptohome_web_ui_handler.h',
+      'browser/ui/webui/chromeos/device_log_ui.cc',
+      'browser/ui/webui/chromeos/device_log_ui.h',
       'browser/ui/webui/chromeos/drive_internals_ui.cc',
       'browser/ui/webui/chromeos/drive_internals_ui.h',
       'browser/ui/webui/chromeos/first_run/first_run_actor.cc',
       'browser/ui/webui/chromeos/first_run/first_run_actor.h',
       'browser/ui/webui/chromeos/first_run/first_run_handler.cc',
       'browser/ui/webui/chromeos/first_run/first_run_handler.h',
       'browser/ui/webui/chromeos/image_source.cc',
       'browser/ui/webui/chromeos/image_source.h',
       'browser/ui/webui/chromeos/imageburner/imageburner_ui.cc',
       'browser/ui/webui/chromeos/imageburner/imageburner_ui.h',
@@ skipping 2175 matching lines @@
         ['OS!="android" and OS!="ios"', {
           'dependencies': [
             '../device/bluetooth/bluetooth.gyp:device_bluetooth',
           ],
           'sources': [ '<@(chrome_browser_ui_non_mobile_sources)' ],
         }],
       ],
     },
   ],
 }