[chrome.dial] Adds chrome.dial.fetchDeviceDecription API.

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 {
 namespace api {
@@ skipping 39 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_));
 }
 
+DialDeviceDescriptionData::DialDeviceDescriptionData(
+    const std::string& device_description,
+    const GURL& app_url)
+    : device_description(device_description), app_url(app_url) {}
+
 }  // namespace dial
 }  // namespace api
 }  // namespace extensions