Create //ui/base/ime:text_input_base target.

ui/base/ime/ui_base_ime.gyp

 # Copyright 2015 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
+   {
+      # GN version: //ui/base/ime:text_input_types
+      'target_name': 'text_input_types',
+      'type': 'none',
+      'sources' : [
+        'text_input_flags.h',
+        'text_input_mode.h',
+        'text_input_type.h',
+      ],
+    },
     {
       # GN version: //ui/base/ime
       'target_name': 'ui_base_ime',
       'type': '<(component)',
       'dependencies': [
         '../../../base/base.gyp:base',
         '../../../base/base.gyp:base_i18n',
         '../../../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../../../skia/skia.gyp:skia',
         '../../../third_party/icu/icu.gyp:icui18n',
         '../../../third_party/icu/icu.gyp:icuuc',
         '../../../url/url.gyp:url_lib',
         '../../events/events.gyp:dom_keycode_converter',
         '../../events/events.gyp:events',
         '../../events/events.gyp:events_base',
         '../../gfx/gfx.gyp:gfx',
         '../../gfx/gfx.gyp:gfx_geometry',
         '../ui_base.gyp:ui_base',
+        ':text_input_types',
       ],
       'defines': [
         'UI_BASE_IME_IMPLEMENTATION',
       ],
       'sources' : [
         'candidate_window.cc',
         'candidate_window.h',
         'chromeos/character_composer.cc',
         'chromeos/character_composer.h',
         'chromeos/component_extension_ime_manager.cc',
@@ skipping 62 matching lines @@
         'linux/fake_input_method_context.h',
         'linux/fake_input_method_context_factory.cc',
         'linux/fake_input_method_context_factory.h',
         'linux/linux_input_method_context.h',
         'linux/linux_input_method_context_factory.cc',
         'linux/linux_input_method_context_factory.h',
         'mock_input_method.cc',
         'mock_input_method.h',
         'text_input_client.cc',
         'text_input_client.h',
-        'text_input_type.h',
         'ui_base_ime_export.h',
         'win/imm32_manager.cc',
         'win/imm32_manager.h',
         'win/tsf_input_scope.cc',
         'win/tsf_input_scope.h',
       ],
       'conditions': [
         ['use_ozone==1', {
           'dependencies': [
             '../../events/ozone/events_ozone.gyp:events_ozone_layout',
@@ skipping 51 matching lines @@
         ['use_x11==0', {
           'sources!': [
             'composition_text_util_pango.cc',
             'composition_text_util_pango.h',
           ],
         }],
       ],
     },
   ],
 }