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

chrome/browser/extensions/api/dial/dial_device_data.cc

 // Copyright (c) 2012 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 "chrome/browser/extensions/api/dial/dial_device_data.h"
 
 #include "chrome/common/extensions/api/dial.h"
 
 namespace extensions {
 
 DialDeviceData::DialDeviceData() : max_age_(-1), config_id_(-1) { }
 
 DialDeviceData::DialDeviceData(const std::string& device_id,
                                const GURL& device_description_url,
                                const base::Time& response_time)
     : device_id_(device_id), device_description_url_(device_description_url),
       response_time_(response_time), max_age_(-1), config_id_(-1) {
 }
 
+DialDeviceData::DialDeviceData(const DialDeviceData& other) = default;
+
 DialDeviceData::~DialDeviceData() { }
 
 const GURL& DialDeviceData::device_description_url() const {
   return device_description_url_;
 }
 
 void DialDeviceData::set_device_description_url(const GURL& url) {
   device_description_url_ = url;
 }
 
@@ skipping 17 matching lines @@
 void DialDeviceData::FillDialDevice(api::dial::DialDevice* device) const {
   DCHECK(!device_id_.empty());
   DCHECK(IsDeviceDescriptionUrl(device_description_url_));
   device->device_label = label_;
   device->device_description_url = device_description_url_.spec();
   if (has_config_id())
     device->config_id.reset(new int(config_id_));
 }
 
 }  // namespace extensions