Reland r262272: "Hook up the Info URL from SyncedNotificationsAppInfo".

chrome/browser/notifications/sync_notifier/synced_notification_app_info.cc

 // Copyright 2014 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/notifications/sync_notifier/synced_notification_app_info.h"
 
 #include "chrome/browser/notifications/sync_notifier/image_holder.h"
 #include "chrome/browser/notifications/sync_notifier/synced_notification_app_info_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "sync/api/sync_data.h"
@@ skipping 41 matching lines @@
   std::vector<std::string>::iterator it;
 
   for (it = app_ids_.begin(); it != app_ids_.end(); ++it) {
     if (app_id == *it) {
       app_ids_.erase(it);
       return;
     }
   }
 }
 
+void SyncedNotificationAppInfo::SetWelcomeLinkUrl(
+    const GURL& welcome_link_url) {
+  welcome_link_url_ = welcome_link_url;
+}
+
 void SyncedNotificationAppInfo::SetSettingsURLs(
     const GURL& settings_low_dpi, const GURL& settings_high_dpi) {
   settings_holder_.reset(new ImageHolder(settings_low_dpi,
                                          settings_high_dpi,
                                          profile_,
                                          this));
 }
 
 void SyncedNotificationAppInfo::SetMonochromeURLs(
     const GURL& monochrome_low_dpi, const GURL& monochrome_high_dpi) {
@@ skipping 73 matching lines @@
   return done;
 }
 
 message_center::NotifierId SyncedNotificationAppInfo::GetNotifierId() {
   return message_center::NotifierId(
       message_center::NotifierId::SYNCED_NOTIFICATION_SERVICE,
       settings_display_name_);
 }
 
 }  // namespace notifier