linux/cros: Supports XKeyEvent to Unicode conversion independent from user's locale.

ui/events/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/config/ui.gni")
 
 static_library("dom4_keycode_converter") {
   sources = [
     "keycodes/dom4/keycode_converter.cc",
     "keycodes/dom4/keycode_converter.h",
@@ skipping 45 matching lines @@
   if (use_x11) {
     configs += [ "//build/config/linux:x11" ]
 
     sources += [
       "keycodes/keyboard_code_conversion_x.cc",
       "keycodes/keyboard_code_conversion_x.h",
       "x/device_data_manager_x11.cc",
       "x/device_data_manager_x11.h",
       "x/device_list_cache_x.cc",
       "x/device_list_cache_x.h",
+      "x/keysym_to_unicode.cc",
+      "x/keysym_to_unicode.h",
       "x/touch_factory_x11.cc",
       "x/touch_factory_x11.h",
     ]
   }
 }
 
 component("events") {
   deps = [
     ":dom4_keycode_converter",
     ":events_base",
@@ skipping 220 matching lines @@
     ":events_base",
     ":gesture_detection",
     ":test_support",
     "//base",
     "//base/test:run_all_unittests",
     "//skia",
     "//testing/gtest",
     "//ui/gfx:test_support",
   ]
 }