Implement newly designed sign-in related histograms for desktop platorms.

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 "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/user_metrics.h"
 #include "base/time/time.h"
 
 namespace signin_metrics {
 
 // Helper method to determine which |DifferentPrimaryAccounts| applies.
 DifferentPrimaryAccounts ComparePrimaryAccounts(bool primary_accounts_same,
                                                 int pre_count_gaia_cookies) {
   if (primary_accounts_same)
     return ACCOUNTS_SAME;
   if (pre_count_gaia_cookies == 0)
     return NO_COOKIE_PRESENT;
   return COOKIE_AND_TOKEN_PRIMARIES_DIFFERENT;
 }
 
+void LogSigninAccessPointStarted(AccessPoint access_point) {
+  UMA_HISTOGRAM_ENUMERATION("Signin.SigninStartedAccessPoint", access_point,
+                            ACCESS_POINT_MAX);
+}
+
+void LogSigninAccessPointCompleted(AccessPoint access_point) {
+  UMA_HISTOGRAM_ENUMERATION("Signin.SigninCompletedAccessPoint", access_point,
+                            ACCESS_POINT_MAX);
+}
+
+void LogSigninReason(Reason reason) {
+  UMA_HISTOGRAM_ENUMERATION("Signin.SigninReason", reason, REASON_MAX);
+}
+
 void LogSigninAccountReconciliation(int total_number_accounts,
                                     int count_added_to_cookie_jar,
                                     int count_removed_from_cookie_jar,
                                     bool primary_accounts_same,
                                     bool is_first_reconcile,
                                     int pre_count_gaia_cookies) {
   UMA_HISTOGRAM_COUNTS_100("Profile.NumberOfAccountsPerProfile",
                            total_number_accounts);
   // We want to include zeroes in the counts of added or removed accounts to
   // easily capture _relatively_ how often we merge accounts.
@@ skipping 32 matching lines @@
   // Track whether or not the user signed in during the first run of Chrome.
   UMA_HISTOGRAM_BOOLEAN("Signin.DuringFirstRun", is_first_run);
 
   // Determine how much time passed since install when this profile was signed
   // in.
   base::TimeDelta elapsed_time = base::Time::Now() - install_date;
   UMA_HISTOGRAM_COUNTS("Signin.ElapsedTimeFromInstallToSignin",
                        elapsed_time.InMinutes());
 }
 
-void LogSigninSource(Source source) {
-  UMA_HISTOGRAM_ENUMERATION("Signin.SigninSource", source, HISTOGRAM_MAX);
-}
-
 void LogSigninAddAccount() {
   // Account signin may fail for a wide variety of reasons. There is no
   // explicit false, but one can compare this value with the various UI
   // flows that lead to account sign-in, and deduce that the difference
   // counts the failures.
   UMA_HISTOGRAM_BOOLEAN("Signin.AddAccount", true);
 }
 
 void LogSignout(ProfileSignout metric) {
   UMA_HISTOGRAM_ENUMERATION("Signin.SignoutProfile", metric,
@@ skipping 44 matching lines @@
       (base::Time::Now() - previous_activity_time).InMinutes(), 1,
       base::TimeDelta::FromDays(30).InMinutes(), 50);
 }
 
 void LogAccountReconcilorStateOnGaiaResponse(AccountReconcilorState state) {
   UMA_HISTOGRAM_ENUMERATION("Signin.AccountReconcilorState.OnGaiaResponse",
                             state, ACCOUNT_RECONCILOR_HISTOGRAM_COUNT);
 }
 
 }  // namespace signin_metrics