Prepare fullscreen_chromeos.cc to be used for ozone builds.

chrome/browser/fullscreen_ash.cc

Index: chrome/browser/fullscreen_ash.cc
diff --git a/chrome/browser/fullscreen_chromeos.cc b/chrome/browser/fullscreen_ash.cc
similarity index 84%
rename from chrome/browser/fullscreen_chromeos.cc
rename to chrome/browser/fullscreen_ash.cc
index 8deeb23685fb190283bf708db9d8c0139d6539c7..93ef6f3956b7df27a803a372442e2898d7aa3e45 100644
--- a/chrome/browser/fullscreen_chromeos.cc
+++ b/chrome/browser/fullscreen_ash.cc
@@ -5,10 +5,10 @@
 #include "chrome/browser/fullscreen.h"
 
 #include "ash/root_window_controller.h"
-#include "chrome/browser/ui/ash/ash_util.h"
+#include "services/service_manager/runner/common/client_util.h"
 
 bool IsFullScreenMode() {
-  if (chrome::IsRunningInMash()) {
+  if (service_manager::ServiceManagerIsRemote()) {
     // TODO: http://crbug.com/640390.
     NOTIMPLEMENTED();
     return false;