components: Add out-of-line copy ctors for complex classes.

components/autofill/core/common/password_form_fill_data.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/autofill/core/common/password_form_fill_data.h"
 
 #include <tuple>
 
 #include "base/strings/utf_string_conversions.h"
 #include "components/autofill/core/common/form_field_data.h"
 
 namespace autofill {
 
 UsernamesCollectionKey::UsernamesCollectionKey() {}
 
 UsernamesCollectionKey::~UsernamesCollectionKey() {}
 
 bool UsernamesCollectionKey::operator<(
     const UsernamesCollectionKey& other) const {
   return std::tie(username, password, realm) <
          std::tie(other.username, other.password, other.realm);
 }
 
 PasswordFormFillData::PasswordFormFillData()
     : wait_for_username(false),
       is_possible_change_password_form(false) {
 }
 
+PasswordFormFillData::PasswordFormFillData(const PasswordFormFillData& other) =
+    default;
+
 PasswordFormFillData::~PasswordFormFillData() {
 }
 
 void InitPasswordFormFillData(
     const PasswordForm& form_on_page,
     const PasswordFormMap& matches,
     const PasswordForm* const preferred_match,
     bool wait_for_username_before_autofill,
     bool enable_other_possible_usernames,
     PasswordFormFillData* result) {
@@ skipping 44 matching lines @@
       if (it.second->is_public_suffix_match ||
           it.second->is_affiliation_based_match)
         key.realm = it.second->signon_realm;
       result->other_possible_usernames[key] =
           it.second->other_possible_usernames;
     }
   }
 }
 
 }  // namespace autofill