Add badge to web notifications.

chrome/browser/notifications/platform_notification_service_impl.cc

Index: chrome/browser/notifications/platform_notification_service_impl.cc
diff --git a/chrome/browser/notifications/platform_notification_service_impl.cc b/chrome/browser/notifications/platform_notification_service_impl.cc
index 3c125e4f60aa17f64a7ecd68622ea802852966f5..542f8b4ecf8e3e7deb1570c172a7823fb87441b8 100644
--- a/chrome/browser/notifications/platform_notification_service_impl.cc
+++ b/chrome/browser/notifications/platform_notification_service_impl.cc
@@ -486,6 +486,11 @@ Notification PlatformNotificationServiceImpl::CreateNotificationFromData(
   notification.set_renotify(notification_data.renotify);
   notification.set_silent(notification_data.silent);
 
+  // TODO(peter): Handle different screen densities instead of always using the
+  // 1x bitmap - crbug.com/585815.
+  notification.set_small_image(
+      gfx::Image::CreateFrom1xBitmap(notification_resources.badge));
+
   // Developer supplied action buttons.
   std::vector<message_center::ButtonInfo> buttons;
   for (size_t i = 0; i < notification_data.actions.size(); i++) {