Remove X11 deps from //ui/events:events_base.

ui/base/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/buildflag_header.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//ui/base/ui_features.gni")
@@ skipping 417 matching lines @@
       sources += [
         "idle/idle_query_x11.cc",
         "idle/idle_query_x11.h",
         "idle/screensaver_window_finder_x11.cc",
         "idle/screensaver_window_finder_x11.h",
       ]
       configs += [ "//build/config/linux:xscrnsaver" ]
     }
     deps += [
       "//ui/events/devices/x11",
+      "//ui/events/keycodes:x11",
       "//ui/gfx/x",
     ]
   }
 
   if (!use_aura || !is_linux) {
     sources -= [ "resource/resource_bundle_auralinux.cc" ]
   }
 
   if (use_aura && is_win) {
     sources -= [ "dragdrop/drag_utils_aura.cc" ]
@@ skipping 513 matching lines @@
 if (is_mac) {
   mac_framework_bundle("ui_unittests_framework") {
     testonly = true
     deps = [
       "//ui/resources:ui_test_pak_bundle_data",
     ]
     info_plist = "test/framework-Info.plist"
     output_name = "ui_unittests Framework"
   }
 }