Add device location reporting

chrome/browser/policy/proto/device_management_backend.proto

 // Copyright (c) 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.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
 
 package enterprise_management;
 
@@ skipping 246 matching lines @@
   optional TimePeriod duration = 2;
 
   // Client will send at most 50 timestamps to DM. All the rest
   // launch activities will be summed into the total count.
   // We will distribute the count evenly among the time span when
   // doing time based aggregation.
   repeated int64 timestamp = 3;
   optional int64 total_count = 4;
 }
 
+// Used to report the device location.
+message DeviceLocation {
+  enum ErrorCode {
+    ERROR_CODE_NONE                 = 0;
+    ERROR_CODE_POSITION_UNAVAILABLE = 1;
+  }
+
+  // Latitude in decimal degrees north (WGS84 coordinate frame).
+  optional double latitude = 1;
+
+  // Longitude in decimal degrees west (WGS84 coordinate frame).
+  optional double longitude = 2;
+
+  // Altitude in meters (above WGS84 datum).
+  optional double altitude = 3;
+
+  // Accuracy of horizontal position in meters.
+  optional double accuracy = 4;
+
+  // Accuracy of altitude in meters.
+  optional double altitude_accuracy = 5;
+
+  // Heading in decimal degrees clockwise from true north.
+  optional double heading = 6;
+
+  // Horizontal component of device velocity in meters per second.
+  optional double speed = 7;
+
+  // Time of position measurement in milisecons since Epoch in UTC time.
+  optional int64 timestamp = 8;
+
+  // Error code, see enum above.
+  optional ErrorCode error_code = 9;
+
+  // Human-readable error message.
+  optional string error_message = 10;
+}
+
 // Report device level status.
 message DeviceStatusReportRequest {
   optional string os_version = 1;
   optional string firmware_version = 2;
 
   // "Validated", "Dev". Same as verified mode.
   // If the mode is unknown, this field should not be set.
   optional string boot_mode = 3;
 
   // No longer used -- use active_period instead.
   repeated TimePeriod active_time = 4 [deprecated=true];
 
   // The browser version string as shown in the About dialog.
   optional string browser_version = 5;
 
   // A list of periods when the device was active, aggregated by day.
   repeated ActiveTimePeriod active_period = 6;
+
+  // The device location.
+  optional DeviceLocation device_location = 7;
 }
 
 // Report session (a user on one device) level status.
 message SessionStatusReportRequest {
   // Installed apps for this user on this device.
   repeated string installed_app_id = 1;
 
   // Installed extensions for this user on this device.
   repeated string installed_extension_id = 2;
 
@@ skipping 150 matching lines @@
 
   // Device status report response.
   optional DeviceStatusReportResponse device_status_report_response = 6;
 
   // Session status report response.
   optional SessionStatusReportResponse session_status_report_response = 7;
 
   // Auto-enrollment detection response.
   optional DeviceAutoEnrollmentResponse auto_enrollment_response = 8;
 }