Use stricter type checking in UMA_HISTOGRAM_ENUMERATION

components/signin/core/browser/signin_metrics.cc

 // Copyright 2014 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 "components/signin/core/browser/signin_metrics.h"
 
 #include <limits.h>
 
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 168 matching lines @@
         "Signin.Reconciler.ExternalCcResultTime.NotCompleted",
         time_to_check_connections);
   }
 }
 
 void LogAuthError(GoogleServiceAuthError::State auth_error) {
   UMA_HISTOGRAM_ENUMERATION("Signin.AuthError", auth_error,
       GoogleServiceAuthError::State::NUM_STATES);
 }
 
-void LogSigninConfirmHistogramValue(int action) {
+void LogSigninConfirmHistogramValue(ConfirmationUsage action) {
   UMA_HISTOGRAM_ENUMERATION("Signin.OneClickConfirmation", action,
                             signin_metrics::HISTOGRAM_CONFIRM_MAX);
 }
 
 void LogXDevicePromoEligible(CrossDevicePromoEligibility metric) {
   UMA_HISTOGRAM_ENUMERATION(
       "Signin.XDevicePromo.Eligibility", metric,
       NUM_CROSS_DEVICE_PROMO_ELIGIBILITY_METRICS);
 }
 
@@ skipping 46 matching lines @@
       "Signin.CookieJar.ChromeAccountRelation", type,
       static_cast<int>(relation),
       static_cast<int>(AccountRelation::HISTOGRAM_COUNT));
 }
 
 void LogIsShared(const bool is_shared, const ReportingType type) {
   INVESTIGATOR_HISTOGRAM_BOOLEAN("Signin.IsShared", type, is_shared);
 }
 
 }  // namespace signin_metrics