Implement the statistics table for the passwords.

components/password_manager/core/browser/login_database.cc

Index: components/password_manager/core/browser/login_database.cc
diff --git a/components/password_manager/core/browser/login_database.cc b/components/password_manager/core/browser/login_database.cc
index f59f8c6d17a1cdc1797354bfd64b8a2792b15b55..91c71d06e1231f2cc7dd013f0e10c31c311d36bf 100644
--- a/components/password_manager/core/browser/login_database.cc
+++ b/components/password_manager/core/browser/login_database.cc
@@ -29,7 +29,7 @@ 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) {
@@ -233,7 +233,13 @@ bool LoginDatabase::Init() {
 
   // 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;
   }
@@ -374,6 +380,9 @@ bool LoginDatabase::MigrateOldVersionsAsNeeded() {
               "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;