"Bootstrap" a toolkit-views Typography spec.

ui/views/style/typography.cc

+// Copyright 2017 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.
+
+#include "ui/views/style/typography.h"
+
+namespace views {
+
+constexpr const TextContext::Value TextContext::DIALOG_TITLE;
+constexpr const TextContext::Value TextContext::CONTROL_LABEL;
+constexpr const TextContext::Value TextContext::FIELD;
+constexpr const TextContext::Value TextContext::BUTTON_TEXT;
+
+constexpr const TextStyle::Value TextStyle::PRIMARY;
+constexpr const TextStyle::Value TextStyle::DISABLED;
+constexpr const TextStyle::Value TextStyle::LINK;
+constexpr const TextStyle::Value TextStyle::ACTIVE_TAB;
+constexpr const TextStyle::Value TextStyle::INACTIVE_TAB;
+constexpr const TextStyle::Value TextStyle::HOVERED_TAB;
+
+}  // namespace views