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

components/autofill/core/common/form_field_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/form_field_data.h"
 
 #include "base/pickle.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 
@@ skipping 72 matching lines @@
     : max_length(0),
       is_autofilled(false),
       is_checked(false),
       is_checkable(false),
       is_focusable(false),
       should_autocomplete(true),
       role(ROLE_ATTRIBUTE_OTHER),
       text_direction(base::i18n::UNKNOWN_DIRECTION) {
 }
 
+FormFieldData::FormFieldData(const FormFieldData& other) = default;
+
 FormFieldData::~FormFieldData() {
 }
 
 bool FormFieldData::SameFieldAs(const FormFieldData& field) const {
   // A FormFieldData stores a value, but the value is not part of the identity
   // of the field, so we don't want to compare the values.
   return label == field.label && name == field.name &&
          form_control_type == field.form_control_type &&
          autocomplete_attribute == field.autocomplete_attribute &&
          max_length == field.max_length &&
@@ skipping 107 matching lines @@
             << " " << field.autocomplete_attribute << " " << field.max_length
             << " " << (field.is_autofilled ? "true" : "false") << " "
             << (field.is_checked ? "true" : "false") << " "
             << (field.is_checkable ? "true" : "false") << " "
             << (field.is_focusable ? "true" : "false") << " "
             << (field.should_autocomplete ? "true" : "false") << " "
             << field.role << " " << field.text_direction;
 }
 
 }  // namespace autofill