Implement the statistics table for the passwords.

components/password_manager/core/browser/login_database.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/password_manager/core/browser/login_database.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/bind.h"
@@ skipping 11 matching lines @@
 #include "google_apis/gaia/gaia_auth_util.h"
 #include "google_apis/gaia/gaia_urls.h"
 #include "sql/connection.h"
 #include "sql/statement.h"
 #include "sql/transaction.h"
 
 using autofill::PasswordForm;
 
 namespace password_manager {
 
-const int kCurrentVersionNumber = 12;
+const int kCurrentVersionNumber = 13;
 static const int kCompatibleVersionNumber = 1;
 
 Pickle SerializeVector(const std::vector<base::string16>& vec) {
   Pickle p;
   for (size_t i = 0; i < vec.size(); ++i) {
     p.WriteString16(vec[i]);
   }
   return p;
 }
 
@@ skipping 183 matching lines @@
     return false;
   }
   if (meta_table_.GetCompatibleVersionNumber() > kCurrentVersionNumber) {
     LOG(WARNING) << "Password store database is too new.";
     db_.Close();
     return false;
   }
 
   // Initialize the tables.
   if (!InitLoginsTable()) {
-    LOG(WARNING) << "Unable to initialize the password store database.";
+    LOG(WARNING) << "Unable to initialize the logins table.";
     db_.Close();
     return false;
   }
+
+  if (!stats_table_.Init(&db_)) {
+    LOG(WARNING) << "Unable to initialize the stats table.";
+    db_.Close();
+    return false;
+  }
 
   // If the file on disk is an older database version, bring it up to date.
   if (!MigrateOldVersionsAsNeeded()) {
     LOG(WARNING) << "Unable to migrate database";
     db_.Close();
     return false;
   }
 
   if (!transaction.Commit()) {
     db_.Close();
@@ skipping 117 matching lines @@
           !CreateIndexOnSignonRealm(&db_, "logins"))
         return false;
       meta_table_.SetVersionNumber(11);
     }
     case 11:
       if (!db_.Execute(
               "ALTER TABLE logins ADD COLUMN "
               "generation_upload_status INTEGER"))
         return false;
       meta_table_.SetVersionNumber(12);
+    case 12:
+      // The stats table was added. Nothing to do really.
+      meta_table_.SetVersionNumber(13);
     case kCurrentVersionNumber:
       // Already up to date
       return true;
     default:
       NOTREACHED();
       return false;
   }
 }
 
 bool LoginDatabase::InitLoginsTable() {
@@ skipping 558 matching lines @@
     UMA_HISTOGRAM_ENUMERATION("PasswordManager.PslDomainMatchTriggering",
                               psl_domain_match_metric, PSL_DOMAIN_MATCH_COUNT);
   }
 
   if (!statement->Succeeded())
     return false;
   return true;
 }
 
 }  // namespace password_manager