athena: Use mojo to provide the bindings for the virtual keyboard.

ui/keyboard/keyboard.gyp

 # Copyright (c) 2013 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,
+    'keyboard_mojom_gen_js': '<(SHARED_INTERMEDIATE_DIR)/ui/keyboard/webui/keyboard.mojom.js',
   },
   'targets': [
     {
+      'target_name': 'keyboard_mojom_bindings',
+      'type': 'none',
+      'sources': [
+        'webui/keyboard.mojom',
+      ],
+      'includes': [ '../../mojo/public/tools/bindings/mojom_bindings_generator.gypi' ],
+    },
+    {
       # GN version: //ui/keyboard:resources
       'target_name': 'keyboard_resources',
+      'dependencies': [ 'keyboard_mojom_bindings', ],
       'type': 'none',
       'variables': {
         'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/ui/keyboard',
       },
       'actions': [
         {
           'action_name': 'keyboard_resources',
           'variables': {
             'grit_grd_file': 'keyboard_resources.grd',
+            'grit_additional_defines': [
+              '-E', 'keyboard_mojom_gen_js=<(keyboard_mojom_gen_js)',
+            ],
           },
           'includes': [ '../../build/grit_action.gypi' ],
         },
       ],
       'includes': [ '../../build/grit_target.gypi' ],
       'copies': [
         {
           'destination': '<(PRODUCT_DIR)',
           'files': [
             '<(SHARED_INTERMEDIATE_DIR)/ui/keyboard/keyboard_resources.pak',
           ],
         },
       ],
     },
     {
       # GN version: //ui/keyboard
       'target_name': 'keyboard',
       'type': '<(component)',
       'dependencies': [
         '../../base/base.gyp:base',
         '../../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../../content/content.gyp:content_browser',
+        '../../content/content_resources.gyp:content_resources',
         '../../ipc/ipc.gyp:ipc',
+        '../../mojo/mojo_base.gyp:mojo_cpp_bindings',
+        '../../mojo/mojo_base.gyp:mojo_environment_chromium',
+        '../../mojo/mojo_base.gyp:mojo_js_bindings',
+        '../../mojo/mojo_base.gyp:mojo_system_impl',
         '../../skia/skia.gyp:skia',
         '../../url/url.gyp:url_lib',
         '../aura/aura.gyp:aura',
         '../base/ui_base.gyp:ui_base',
         '../compositor/compositor.gyp:compositor',
         '../events/events.gyp:events',
         '../gfx/gfx.gyp:gfx',
         '../gfx/gfx.gyp:gfx_geometry',
         '../wm/wm.gyp:wm',
+        'keyboard_mojom_bindings',
         'keyboard_resources',
       ],
       'defines': [
         'KEYBOARD_IMPLEMENTATION',
       ],
       'sources': [
         'keyboard.cc',
         'keyboard.h',
         'keyboard_constants.cc',
         'keyboard_constants.h',
         'keyboard_controller.cc',
         'keyboard_controller.h',
         'keyboard_controller_observer.h',
         'keyboard_controller_proxy.cc',
         'keyboard_controller_proxy.h',
         'keyboard_layout_manager.h',
         'keyboard_layout_manager.cc',
         'keyboard_export.h',
         'keyboard_switches.cc',
         'keyboard_switches.h',
         'keyboard_util.cc',
         'keyboard_util.h',
+        'webui/vk_mojo_handler.cc',
+        'webui/vk_mojo_handler.h',
+        'webui/vk_webui_controller.cc',
+        'webui/vk_webui_controller.h',
+        '<(SHARED_INTERMEDIATE_DIR)/ui/keyboard/webui/keyboard.mojom.cc',
       ]
     },
     {
       'target_name': 'keyboard_unittests',
       'type': '<(gtest_target_type)',
       'dependencies': [
         '../../base/base.gyp:base',
         '../../base/base.gyp:test_support_base',
         '../../content/content.gyp:content',
         '../../skia/skia.gyp:skia',
@@ skipping 25 matching lines @@
         }],
         ['OS=="win" and win_use_allocator_shim==1', {
           'dependencies': [
             '<(DEPTH)/base/allocator/allocator.gyp:allocator',
           ],
         }],
       ],
     },
   ],
 }