Implement the statistics table for the passwords.

components/password_manager/core/browser/password_store_default.cc

Index: components/password_manager/core/browser/password_store_default.cc
diff --git a/components/password_manager/core/browser/password_store_default.cc b/components/password_manager/core/browser/password_store_default.cc
index 4e24ad1d9634ad974c456cfbd7ba0fe681f3255f..f851fe6ba597a889129e975dab8d347ca619d901 100644
--- a/components/password_manager/core/browser/password_store_default.cc
+++ b/components/password_manager/core/browser/password_store_default.cc
@@ -148,4 +148,23 @@ bool PasswordStoreDefault::FillBlacklistLogins(
   return login_db_ && login_db_->GetBlacklistLogins(forms);
 }
 
+void PasswordStoreDefault::AddSiteStatsImpl(const InteractionsStats& stats) {
+  DCHECK(GetBackgroundTaskRunner()->BelongsToCurrentThread());
+  if (login_db_)
+    login_db_->stats_table().AddRow(stats);
+}
+
+void PasswordStoreDefault::RemoveSiteStatsImpl(const GURL& origin_domain) {
+  DCHECK(GetBackgroundTaskRunner()->BelongsToCurrentThread());
+  if (login_db_)
+    login_db_->stats_table().RemoveRow(origin_domain);
+}
+
+InteractionsStats* PasswordStoreDefault::GetSiteStatsImpl(
+    const GURL& origin_domain) {
+  DCHECK(GetBackgroundTaskRunner()->BelongsToCurrentThread());
+  return login_db_ ? login_db_->stats_table().GetRow(origin_domain).release()
+                   : nullptr;
+}
+
 }  // namespace password_manager