Implement PasswordStore::GetLoginsForSameOrganizationName.

components/password_manager/core/browser/login_database.h

Index: components/password_manager/core/browser/login_database.h
diff --git a/components/password_manager/core/browser/login_database.h b/components/password_manager/core/browser/login_database.h
index c6cf73dc8341f2de75d19f16ba6df4d024d5a83e..ed53b3a8e08d3ba3c6ff4434564af18d4c1dd9e0 100644
--- a/components/password_manager/core/browser/login_database.h
+++ b/components/password_manager/core/browser/login_database.h
@@ -91,6 +91,18 @@ class LoginDatabase {
                  std::vector<std::unique_ptr<autofill::PasswordForm>>* forms)
       const WARN_UNUSED_RESULT;
 
+  // Retrieves all stored credentials with SCHEME_HTTP that have a realm whose
+  // organization-identifying name -- that is, the first domain name label below
+  // the effective TLD -- matches that of |signon_realm|. Return value indicates
+  // a successful query (but potentially no results).
+  //
+  // For example, the organization-identifying name of "https://foo.example.org"
+  // is `example`, and logins will be returned for "http://bar.example.co.uk",
+  // but not for "http://notexample.com" or "https://example.foo.com".
+  bool GetLoginsForSameOrganizationName(
+      const std::string& signon_realm,
+      std::vector<std::unique_ptr<autofill::PasswordForm>>* forms) const;
+
   // Gets all logins created from |begin| onwards (inclusive) and before |end|.
   // You may use a null Time value to do an unbounded search in either
   // direction.
@@ -224,6 +236,7 @@ class LoginDatabase {
   std::string get_statement_psl_;
   std::string get_statement_federated_;
   std::string get_statement_psl_federated_;
+  std::string get_same_organization_name_logins_statement_;
   std::string created_statement_;
   std::string synced_statement_;
   std::string blacklisted_statement_;