Add ManagementMode enum and GetManagementMode().

chrome/browser/chromeos/policy/device_cloud_policy_initializer.h

Index: chrome/browser/chromeos/policy/device_cloud_policy_initializer.h
diff --git a/chrome/browser/chromeos/policy/device_cloud_policy_initializer.h b/chrome/browser/chromeos/policy/device_cloud_policy_initializer.h
index 63c2008a5a7c7cd917fc6be89a725dd3234e6401..e6043a77470a4517f6273de0f5af9477209e49b3 100644
--- a/chrome/browser/chromeos/policy/device_cloud_policy_initializer.h
+++ b/chrome/browser/chromeos/policy/device_cloud_policy_initializer.h
@@ -16,8 +16,8 @@
 #include "chrome/browser/chromeos/policy/enrollment_status_chromeos.h"
 #include "chrome/browser/chromeos/policy/server_backed_state_keys_broker.h"
 #include "components/policy/core/common/cloud/cloud_policy_client.h"
+#include "components/policy/core/common/cloud/cloud_policy_constants.h"
 #include "components/policy/core/common/cloud/cloud_policy_store.h"
-#include "policy/proto/device_management_backend.pb.h"
 
 class PrefService;
 
@@ -70,9 +70,10 @@ class DeviceCloudPolicyInitializer : public CloudPolicyStore::Observer {
   // operation.
   // |allowed_modes| specifies acceptable DEVICE_MODE_* constants for
   // enrollment.
-  // |management_mode| should be either ENTERPRISE_MANAGED or CONSUMER_MANAGED.
+  // |management_mode| should be either MANAGEMENT_MODE_ENTERPRISE or
+  // MANAGEMENT_MODE_CONSUMER.
   virtual void StartEnrollment(
-      enterprise_management::PolicyData::ManagementMode management_mode,
+      ManagementMode management_mode,
       DeviceManagementService* device_management_service,
       const std::string& auth_token,
       bool is_auto_enrollment,