"Bootstrap" a toolkit-views Typography spec.

chrome/browser/ui/views/harmony/chrome_typography.h

+// 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.
+
+#ifndef CHROME_BROWSER_UI_VIEWS_HARMONY_CHROME_TYPOGRAPHY_H_
+#define CHROME_BROWSER_UI_VIEWS_HARMONY_CHROME_TYPOGRAPHY_H_
+
+#include "base/macros.h"
+#include "ui/views/style/typography.h"
+#include "ui/views/style/typography_provider.h"
+
+enum ChromeTextContext {
+  // Headline text. Usually 20pt. Never multi-line.
+  CONTEXT_HEADLINE = views::style::VIEWS_TEXT_CONTEXT_END,
+
+  // "Body 1". Usually 13pt.
+  CONTEXT_BODY_TEXT_LARGE,
+
+  // "Body 2". Usually 12pt.
+  CONTEXT_BODY_TEXT_SMALL,
+
+  // ResourceBundle::SmallFont (11 pt). There is no equivalent in the Harmony
+  // spec, so new code should not be using this. It is only provided to avoid
+  // changing existing UI and it will eventually be removed.
+  CONTEXT_DEPRECATED_SMALL,
+};
+
+enum ChromeTextStyle {
+  // Secondary text. May be lighter than views::style::PRIMARY.
+  STYLE_SECONDARY = views::style::VIEWS_TEXT_STYLE_END,
+
+  // "Hint" text, usually a line that gives context to something more important.
+  STYLE_HINT,
+
+  // A solid shade of red.
+  STYLE_RED,
+
+  // A solid shade of green.
+  STYLE_GREEN,
+
+  // Used to draw attention to a section of body text such as an extension name
+  // or hostname.
+  STYLE_EMPHASIZED,
+};
+
+// TypographyProvider that provides pre-Harmony fonts in Chrome.
+class LegacyTypographyProvider : public views::DefaultTypographyProvider {
+ public:
+  LegacyTypographyProvider() = default;
+
+  // DefaultTypographyProvider:
+  const gfx::FontList& GetFont(int text_context, int text_style) const override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(LegacyTypographyProvider);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_HARMONY_CHROME_TYPOGRAPHY_H_