Separate ime_keyboard_x11.h from cc file.

chromeos/chromeos.gyp

 # Copyright (c) 2012 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,
     # These files lists are shared with the GN build.
     'chromeos_sources': [
       'accelerometer/accelerometer_reader.cc',
@@ skipping 212 matching lines @@
       'ime/component_extension_ime_manager.cc',
       'ime/component_extension_ime_manager.h',
       'ime/composition_text.cc',
       'ime/composition_text.h',
       'ime/extension_ime_util.cc',
       'ime/extension_ime_util.h',
       'ime/fake_ime_keyboard.cc',
       'ime/fake_ime_keyboard.h',
       'ime/ime_keyboard.h',
       'ime/ime_keyboard_ozone.cc',
+      'ime/ime_keyboard_x11.h',
       'ime/ime_keyboard_x11.cc',
       'ime/input_method_delegate.h',
       'ime/input_method_descriptor.cc',
       'ime/input_method_descriptor.h',
       'ime/input_method_manager.cc',
       'ime/input_method_manager.h',
       'ime/input_method_whitelist.cc',
       'ime/input_method_whitelist.h',
       'login/auth/auth_attempt_state.cc',
       'login/auth/auth_attempt_state.h',
@@ skipping 430 matching lines @@
         '../third_party/cros_system_api/dbus/cryptohome/signed_secret.proto',
       ],
       'variables': {
         'proto_in_dir': '../third_party/cros_system_api/dbus/cryptohome',
         'proto_out_dir': 'chromeos/cryptohome',
       },
       'includes': ['../build/protoc.gypi'],
     },
   ],
 }