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

chrome/browser/notifications/sync_notifier/synced_notification_app_info_service.cc

Index: chrome/browser/notifications/sync_notifier/synced_notification_app_info_service.cc
diff --git a/chrome/browser/notifications/sync_notifier/synced_notification_app_info_service.cc b/chrome/browser/notifications/sync_notifier/synced_notification_app_info_service.cc
index 78abecc46703c4ca436c6d16a2fd6dab01530aad..9facf217a2a121a6996aca357d966beeaed30c63 100644
--- a/chrome/browser/notifications/sync_notifier/synced_notification_app_info_service.cc
+++ b/chrome/browser/notifications/sync_notifier/synced_notification_app_info_service.cc
@@ -245,6 +245,7 @@ SyncedNotificationAppInfoService::CreateSyncedNotificationAppInfoFromProtobuf(
   if (server_app_info.has_settings_display_name()) {
     display_name = server_app_info.settings_display_name();
   }
+
   scoped_ptr<SyncedNotificationAppInfo> app_info;
   if (display_name.length() == 0)
     return app_info.Pass();
@@ -252,6 +253,12 @@ SyncedNotificationAppInfoService::CreateSyncedNotificationAppInfoFromProtobuf(
   // Create a new app info object based on the supplied protobuf.
   app_info.reset(new SyncedNotificationAppInfo(profile_, display_name, this));
 
+  // This URL is used whenever the user clicks on the body of the app's welcome
+  // notification.
+  if (server_app_info.has_info_url()) {
+    app_info->SetWelcomeLinkUrl(GURL(server_app_info.info_url()));
+  }
+
   // TODO(petewil): Eventually we will add the monochrome icon here, and we may
   // need to fetch the correct url for the current DPI.
   // Add the icon URL, if any.