Connect enrollment screen to cloud policy subsystem.

chrome/browser/policy/user_policy_identity_strategy.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/policy/user_policy_identity_strategy.h"
 
 #include "base/file_util.h"
 #include "chrome/browser/browser_signin.h"
 #include "chrome/browser/net/gaia/token_service.h"
 #include "chrome/browser/policy/proto/device_management_backend.pb.h"
@@ skipping 148 matching lines @@
 
 std::string UserPolicyIdentityStrategy::GetDeviceToken() {
   return device_token_;
 }
 
 std::string UserPolicyIdentityStrategy::GetDeviceID() {
   return device_id_;
 }
 
 std::string UserPolicyIdentityStrategy::GetMachineID() {
-  return "";
+  return std::string();
+}
+
+std::string UserPolicyIdentityStrategy::GetMachineModel() {
+  return std::string();
 }
 
 em::DeviceRegisterRequest_Type
 UserPolicyIdentityStrategy::GetPolicyRegisterType() {
   return em::DeviceRegisterRequest::USER;
 }
 
 std::string UserPolicyIdentityStrategy::GetPolicyType() {
   return kChromeUserPolicyType;
 }
@@ skipping 69 matching lines @@
   } else if (type == NotificationType::GOOGLE_SIGNIN_SUCCESSFUL) {
     if (profile_ == Source<Profile>(source).ptr())
       CheckAndTriggerFetch();
 #endif
   } else {
     NOTREACHED();
   }
 }
 
 }  // namespace policy