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..54be8f866ce34e42836d8957f4634390d97e7b64 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);
+}
+
+scoped_ptr<InteractionsStats> PasswordStoreDefault::GetSiteStatsImpl(
+    const GURL& origin_domain) {
+  DCHECK(GetBackgroundTaskRunner()->BelongsToCurrentThread());
+  return login_db_ ? login_db_->stats_table().GetRow(origin_domain)
+                   : scoped_ptr<InteractionsStats>();
+}
+
 }  // namespace password_manager