Credential Manager API: pop up the new "Manage accounts" bubble.

components/autofill/core/common/password_form.cc

Index: components/autofill/core/common/password_form.cc
diff --git a/components/autofill/core/common/password_form.cc b/components/autofill/core/common/password_form.cc
index 3ff8447a069f2dc5ad457b86b2b08a51e14333f7..d5b564842087e04b72702169f9532690ddc43015 100644
--- a/components/autofill/core/common/password_form.cc
+++ b/components/autofill/core/common/password_form.cc
@@ -64,6 +64,14 @@ bool PasswordForm::operator!=(const PasswordForm& form) const {
   return !operator==(form);
 }
 
+bool IsEqualUniqueKey(const PasswordForm& left, const PasswordForm& right) {
+  return left.signon_realm == right.signon_realm &&
+      left.origin == right.origin &&
+      left.username_element == right.username_element &&
+      left.username_value == right.username_value &&
+      left.password_element == right.password_element;
+}
+
 std::ostream& operator<<(std::ostream& os, const PasswordForm& form) {
   return os << "scheme: " << form.scheme
             << " signon_realm: " << form.signon_realm