Remove MOJO_SHELL_CLIENT define.

chrome/browser/ui/ash/ash_util.cc

Index: chrome/browser/ui/ash/ash_util.cc
diff --git a/chrome/browser/ui/ash/ash_util.cc b/chrome/browser/ui/ash/ash_util.cc
index eeb288aaa6e3f108b90b8e972ab87234d7665a92..30605b6118c35d30032e1ea33f456044bc851533 100644
--- a/chrome/browser/ui/ash/ash_util.cc
+++ b/chrome/browser/ui/ash/ash_util.cc
@@ -8,11 +8,8 @@
 #include "ash/common/wm_shell.h"
 #include "build/build_config.h"
 #include "chrome/browser/ui/ash/ash_init.h"
-#include "ui/aura/window_event_dispatcher.h"
-
-#if defined(MOJO_SHELL_CLIENT)
 #include "services/shell/runner/common/client_util.h"
-#endif
+#include "ui/aura/window_event_dispatcher.h"
 
 namespace chrome {
 
@@ -21,11 +18,7 @@ bool ShouldOpenAshOnStartup() {
 }
 
 bool IsRunningInMash() {
-#if defined(MOJO_SHELL_CLIENT)
   return shell::ShellIsRemote();
-#else
-  return false;
-#endif
 }
 
 bool IsAcceleratorDeprecated(const ui::Accelerator& accelerator) {