Create and show 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,
+  },
+  'targets': [
+    {
+      'target_name': 'keyboard',
+      'type': '<(component)',
+      'dependencies': [
+        '../../base/base.gyp:base',
+        '../../skia/skia.gyp:skia',
+      ],
+      'defines': [
+        'KEYBOARD_IMPLEMENTATION',
+      ],
+      'sources': [
+        'keyboard_controller.cc',
+        'keyboard_controller.h',
+        'keyboard_controller_proxy.h',
+        'keyboard_exports.h',
+      ]
+    },
+    {
+      'target_name': 'keyboard_unittests',
+      'type': 'executable',
+      'dependencies': [
+        '../../base/base.gyp:base',
+        '../../base/base.gyp:run_all_unittests',
+        '../../base/base.gyp:test_support_base',
+        '../../testing/gtest.gyp:gtest',
+        'keyboard',
+      ],
+      'sources': [
+        'keyboard_controller_unittest.cc',
+      ],
+    },
+  ],
+}