arc: Show custom notification via notification surface

chrome/browser/chrome_browser_main_extra_parts_exo.cc

Index: chrome/browser/chrome_browser_main_extra_parts_exo.cc
diff --git a/chrome/browser/chrome_browser_main_extra_parts_exo.cc b/chrome/browser/chrome_browser_main_extra_parts_exo.cc
index cdd2a698bc9276ae3e41a99fe93d33e996f12900..ee29d96126806cd0c65dc54b19fb4690cb4fdca1 100644
--- a/chrome/browser/chrome_browser_main_extra_parts_exo.cc
+++ b/chrome/browser/chrome_browser_main_extra_parts_exo.cc
@@ -18,6 +18,7 @@
 #include "components/exo/display.h"
 #include "components/exo/wayland/server.h"
 #include "content/public/browser/browser_thread.h"
+#include "ui/arc/notification/arc_notification_surface_manager.h"
 
 #if defined(USE_GLIB)
 namespace {
@@ -110,7 +111,8 @@ class ChromeBrowserMainExtraPartsExo::WaylandWatcher
 #endif
 
 ChromeBrowserMainExtraPartsExo::ChromeBrowserMainExtraPartsExo()
-    : display_(new exo::Display) {}
+    : arc_notification_surface_manager_(new arc::ArcNotificationSurfaceManager),
+      display_(new exo::Display(arc_notification_surface_manager_.get())) {}
 
 ChromeBrowserMainExtraPartsExo::~ChromeBrowserMainExtraPartsExo() {}