Move use_xkbcommon from build to ui/base

components/exo/wayland/server.cc

Index: components/exo/wayland/server.cc
diff --git a/components/exo/wayland/server.cc b/components/exo/wayland/server.cc
index 7b3d47ed80040647c1ddc52cbfadf1d94d6f513a..bdccab1f28401b7d0c46562571b747a328eadc69 100644
--- a/components/exo/wayland/server.cc
+++ b/components/exo/wayland/server.cc
@@ -64,6 +64,7 @@
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/window_property.h"
 #include "ui/base/hit_test.h"
+#include "ui/base/ui_features.h"
 #include "ui/compositor/compositor_vsync_manager.h"
 #include "ui/display/display_observer.h"
 #include "ui/display/manager/managed_display_info.h"
@@ -80,7 +81,7 @@
 #include <wayland-drm-server-protocol.h>
 #endif
 
-#if defined(USE_XKBCOMMON)
+#if BUILDFLAG(USE_XKBCOMMON)
 #include <xkbcommon/xkbcommon.h>
 #include "ui/events/keycodes/scoped_xkb.h"  // nogncheck
 #endif
@@ -2172,7 +2173,7 @@ void pointer_release(wl_client* client, wl_resource* resource) {
 const struct wl_pointer_interface pointer_implementation = {pointer_set_cursor,
                                                             pointer_release};
 
-#if defined(USE_XKBCOMMON)
+#if BUILDFLAG(USE_XKBCOMMON)
 
 ////////////////////////////////////////////////////////////////////////////////
 // wl_keyboard_interface:
@@ -2407,7 +2408,7 @@ void seat_get_pointer(wl_client* client, wl_resource* resource, uint32_t id) {
 }
 
 void seat_get_keyboard(wl_client* client, wl_resource* resource, uint32_t id) {
-#if defined(USE_XKBCOMMON)
+#if BUILDFLAG(USE_XKBCOMMON)
   uint32_t version = wl_resource_get_version(resource);
   wl_resource* keyboard_resource =
       wl_resource_create(client, &wl_keyboard_interface, version, id);
@@ -2452,7 +2453,7 @@ void bind_seat(wl_client* client, void* data, uint32_t version, uint32_t id) {
     wl_seat_send_name(resource, "default");
 
   uint32_t capabilities = WL_SEAT_CAPABILITY_POINTER | WL_SEAT_CAPABILITY_TOUCH;
-#if defined(USE_XKBCOMMON)
+#if BUILDFLAG(USE_XKBCOMMON)
   capabilities |= WL_SEAT_CAPABILITY_KEYBOARD;
 #endif
   wl_seat_send_capabilities(resource, capabilities);