Public Sessions: fetch device robot api token during enterprise enrollment.

chrome/browser/policy/cloud/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 73 matching lines @@
 
 // Request for a setting or with optional watermark on client side.
 // TODO(gfeher): remove this after Chrome OS TT is over.
 message DevicePolicySettingRequest {
   // setting key
   required string key = 1;
   // watermark last read from server if available.
   optional string watermark = 2;
 }
 
+// Request to access a Google service with the given scope.
+message DeviceServiceApiAccessRequest {
+  // The list of auth scopes the device requests from DMServer.
+  repeated string auth_scope = 1;
+}
+
+message DeviceServiceApiAccessResponse {
+  // The OAuth2 authorization code for the requested scope(s).
+  optional string auth_code = 3;
+}
+
 message PolicyFetchRequest {
   // This is the policy type, which maps to D3 policy type internally.
   // By convention, we use "/" as separator to create policy namespace.
   // The policy type names are case insensitive.
   //
   // Possible values for Chrome OS are:
   //   google/chromeos/device => ChromeDeviceSettingsProto
   //   google/chromeos/user => ChromeSettingsProto
   //   google/chromeos/publicaccount => ChromeSettingsProto
   //   google/chrome/extension => ExternalPolicyData
@@ skipping 322 matching lines @@
 // * HTTP method is POST
 // * Data mime type is application/x-protobuffer
 // * HTTP parameters are (all required, all case sensitive):
 //   * request: MUST BE one of
 //     * enterprise_check
 //     * ping
 //     * policy
 //     * register
 //     * status
 //     * unregister
+//     * api_authorization
 //
 //   * devicetype: MUST BE "1" for Android or "2" for Chrome OS.
 //   * apptype: MUST BE Android or Chrome.
 //   * deviceid: MUST BE no more than 64-char in [\x21-\x7E].
 //   * agent: MUST BE no more than 64-char long.
 // * HTTP Authorization header MUST be in the following formats:
 //   * For register and ping requests
 //     Authorization: GoogleLogin auth=<auth cookie for Mobile Sync>
 //
 //   * For unregister, policy and status requests:
@@ skipping 22 matching lines @@
 
   // Policy request.
   optional DevicePolicyRequest policy_request = 3;
 
   // Update status.
   optional DeviceStatusReportRequest device_status_report_request = 4;
   optional SessionStatusReportRequest session_status_report_request = 5;
 
   // Auto-enrollment detection.
   optional DeviceAutoEnrollmentRequest auto_enrollment_request = 6;
+
+  // Request for OAuth2 authorization codes to access Google services.
+  optional DeviceServiceApiAccessRequest service_api_access_request = 7;
 }
 
 // Response from server to device.
 //
 // The server uses the following numbers as HTTP status codes
 // to report top-level errors.
 //
 // 200 OK: valid response is returned to client.
 // 400 Bad Request: invalid argument.
 // 401 Unauthorized: invalid auth cookie or DM token.
@@ skipping 19 matching lines @@
   optional DevicePolicyResponse policy_response = 5;
 
   // 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;
+
+  // Response to OAuth2 authorization code request.
+  optional DeviceServiceApiAccessResponse service_api_access_response = 9;
 }