Manky attempt with TextInputClient

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 341 matching lines @@
       "dragdrop/file_info.h",
       "idle/idle.cc",
       "idle/idle.h",
       "idle/idle_android.cc",
       "idle/idle_chromeos.cc",
       "idle/idle_linux.cc",
       "idle/idle_mac.mm",
       "idle/idle_win.cc",
       "text/bytes_formatting.cc",
       "text/bytes_formatting.h",
+      "text/text_properties.cc",
+      "text/text_properties.h",
     ]
   }
 
   if (is_win) {
     sources += [ "touch/touch_device_win.cc" ]
   } else if (is_android) {
     sources += [ "touch/touch_device_android.cc" ]
     sources -= [ "touch/touch_device_util.cc" ]
   } else if (is_ios) {
     sources += [ "touch/touch_device_ios.cc" ]
@@ skipping 650 matching lines @@
   # This source set is used by both //chrome/browser and
   # //chrome/installer/setup.  It must have minimal dependencies for the latter
   # (e.g., no skia).
   source_set("fullscreen_win") {
     sources = [
       "fullscreen_win.cc",
       "fullscreen_win.h",
     ]
   }
 }