Device robot refresh token integrity validation.

chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h

Index: chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h
diff --git a/chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h b/chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h
index 5caba9f6f4fb98d8bb051c1e15d7d8a331b10701..ef3ee6862a11ba4475eecce6c6d7a07d4069c990 100644
--- a/chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h
+++ b/chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h
@@ -74,6 +74,11 @@ class DeviceCloudPolicyManagerChromeOS : public CloudPolicyManager {
   // Returns the machine model, or an empty string if not available.
   static std::string GetMachineModel();
 
+  // Returns the robot 'email address' associated with the device robot
+  // account (sometimes called a service account) associated with this device
+  // during enterprise enrollment.
+  std::string GetRobotAccountID();
+
  private:
   // Creates a new CloudPolicyClient.
   scoped_ptr<CloudPolicyClient> CreateClient();