Always send the device ID when making device management requests.

chrome/browser/policy/device_management_backend.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_BROWSER_POLICY_DEVICE_MANAGEMENT_BACKEND_H_
 #define CHROME_BROWSER_POLICY_DEVICE_MANAGEMENT_BACKEND_H_
 #pragma once
 
 #include <string>
 
@@ skipping 76 matching lines @@
   virtual ~DeviceManagementBackend() {}
 
   virtual void ProcessRegisterRequest(
       const std::string& auth_token,
       const std::string& device_id,
       const em::DeviceRegisterRequest& request,
       DeviceRegisterResponseDelegate* delegate) = 0;
 
   virtual void ProcessUnregisterRequest(
       const std::string& device_management_token,
+      const std::string& device_id,
       const em::DeviceUnregisterRequest& request,
       DeviceUnregisterResponseDelegate* delegate) = 0;
 
   virtual void ProcessPolicyRequest(
       const std::string& device_management_token,
+      const std::string& device_id,
       const em::DevicePolicyRequest& request,
       DevicePolicyResponseDelegate* delegate) = 0;
 
  protected:
   DeviceManagementBackend() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DeviceManagementBackend);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_DEVICE_MANAGEMENT_BACKEND_H_