Enrollment recovery: Add UMA stats.

chrome/browser/chromeos/login/enrollment/enrollment_screen.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_ENROLLMENT_SCREEN_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_ENROLLMENT_SCREEN_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/login/enrollment/enrollment_screen_actor.h"
 #include "chrome/browser/chromeos/login/screens/wizard_screen.h"
 #include "components/policy/core/common/cloud/cloud_policy_constants.h"
+#include "components/policy/core/common/cloud/enterprise_metrics.h"
 
 namespace chromeos {
 
 class ScreenObserver;
 
 // The screen implementation that links the enterprise enrollment UI into the
 // OOBE wizard.
 class EnrollmentScreen
     : public WizardScreen,
       public EnrollmentScreenActor::Controller {
@@ skipping 35 matching lines @@
   void RegisterForDevicePolicy(const std::string& token);
 
   // Handles enrollment completion. Logs a UMA sample and requests the actor to
   // show the specified enrollment status.
   void ReportEnrollmentStatus(policy::EnrollmentStatus status);
 
   // Shows successful enrollment status after all enrollment related file
   // operations are completed.
   void ShowEnrollmentStatusOnSuccess(const policy::EnrollmentStatus& status);
 
-  // Logs a UMA event in the kMetricEnrollment histogram. If auto-enrollment is
-  // on |sample| is ignored and a kMetricEnrollmentAutoFailed sample is logged
+  // Logs an UMA event in the kMetricEnrollment or the kMetricEnrollmentRecovery
+  // histogram, depending on |enrollment_mode_|.
+  void UMA(policy::MetricEnrollment sample);
+
+  // Logs an UMA event in the kMetricEnrollment or the kMetricEnrollmentRecovery
+  // histogram, depending on |enrollment_mode_|.  If auto-enrollment is on,
+  // |sample| is ignored and a kMetricEnrollmentAutoFailed sample is logged
   // instead.
-  void UMAFailure(int sample);
+  void UMAFailure(policy::MetricEnrollment sample);
 
   // Shows the signin screen. Used as a callback to run after auth reset.
   void ShowSigninScreen();
 
   // Convenience helper to check for auto enrollment mode.
   bool is_auto_enrollment() const {
     return enrollment_mode_ == EnrollmentScreenActor::ENROLLMENT_MODE_AUTO;
   }
 
   EnrollmentScreenActor* actor_;
   EnrollmentScreenActor::EnrollmentMode enrollment_mode_;
   bool enrollment_failed_once_;
   std::string user_;
   int lockbox_init_duration_;
   base::WeakPtrFactory<EnrollmentScreen> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EnrollmentScreen);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_ENROLLMENT_SCREEN_H_