Add GN interactive UI tests.

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/config/ui.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
@@ skipping 307 matching lines @@
       "ime/chromeos/character_composer.cc",
       "ime/chromeos/character_composer.h",
       "ime/chromeos/component_extension_ime_manager.cc",
       "ime/chromeos/component_extension_ime_manager.h",
       "ime/chromeos/composition_text.cc",
       "ime/chromeos/composition_text.h",
       "ime/chromeos/extension_ime_util.cc",
       "ime/chromeos/extension_ime_util.h",
       "ime/chromeos/fake_ime_keyboard.cc",
       "ime/chromeos/fake_ime_keyboard.h",
+      "ime/chromeos/fake_input_method_delegate.cc",
+      "ime/chromeos/fake_input_method_delegate.h",
       "ime/chromeos/ime_bridge.cc",
       "ime/chromeos/ime_bridge.h",
       "ime/chromeos/ime_keyboard.cc",
       "ime/chromeos/ime_keyboard.h",
       "ime/chromeos/ime_keyboard_ozone.cc",
       "ime/chromeos/ime_keyboard_ozone.h",
       "ime/chromeos/ime_keyboard_x11.cc",
       "ime/chromeos/ime_keyboard_x11.h",
       "ime/chromeos/ime_keymap.cc",
       "ime/chromeos/ime_keymap.h",
@@ skipping 561 matching lines @@
     if (is_chromeos) {
       sources -= [
         "dragdrop/os_exchange_data_provider_aurax11_unittest.cc",
         "x/selection_requestor_unittest.cc",
       ]
       deps += [ "//chromeos" ]
     }
   }
 }
 # TODO(GYP) Mac (ui_base_tests_bundle) and Android (ui_base_unittests_apk).