Add support for cellular geolocation

chrome/browser/chromeos/policy/proto/chrome_device_policy.proto

 // 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.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
 
 package enterprise_management;
 
@@ skipping 241 matching lines @@
   // affects the login-screen and all other users.
   optional string timezone = 1;
 
   // This allows domain administrators to control the timezone settings for
   // their devices.
   enum AutomaticTimezoneDetectionType {
     USERS_DECIDE = 0;
     DISABLED = 1;
     IP_ONLY = 2;
     SEND_WIFI_ACCESS_POINTS = 3;
+    SEND_ALL_LOCATION_INFO = 4;
   };
 
   optional AutomaticTimezoneDetectionType timezone_detection_type = 2;
 }
 
 message SystemUse24HourClockProto {
   // Specifies an owner-determined clock format that applies to the login
   // screen and is used as a default for all user sessions. Users can still
   // override the format to use for their account.
   //
@@ skipping 537 matching lines @@
   optional LoginAuthenticationBehaviorProto login_authentication_behavior = 41;
   optional UsbDetachableWhitelistProto usb_detachable_whitelist = 42;
   optional AllowBluetoothProto allow_bluetooth = 43;
   optional DeviceQuirksDownloadEnabledProto quirks_download_enabled = 44;
   optional LoginVideoCaptureAllowedUrlsProto login_video_capture_allowed_urls =
       45;
   optional LoginAppsProto login_apps = 46;
   optional NetworkThrottlingEnabledProto network_throttling = 47;
   optional DeviceWallpaperImageProto device_wallpaper_image = 48;
 }