"Bootstrap" a toolkit-views Typography spec.

chrome/browser/ui/views/harmony/chrome_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 "chrome/browser/ui/views/harmony/chrome_typography.h"
+
+#include "ui/base/default_style.h"
+#include "ui/base/resource/resource_bundle.h"
+
+const gfx::FontList& LegacyTypographyProvider::GetFont(int text_context,
+                                                       int text_style) const {
+  constexpr int kHeadlineDelta = 8;
+  constexpr int kDialogMessageDelta = 1;
+
+  int size_delta;
+  gfx::Font::Weight font_weight;
+  GetDefaultFont(text_context, text_style, &size_delta, &font_weight);
+
+  switch (text_context) {
+    case CONTEXT_HEADLINE:
+      size_delta = kHeadlineDelta;
+      break;
+    case CONTEXT_BODY_TEXT_LARGE:
+      // Note: Not using ui::kMessageFontSizeDelta, so 13pt in most cases.
+      size_delta = kDialogMessageDelta;
+      break;
+    case CONTEXT_BODY_TEXT_SMALL:
+      size_delta = ui::kLabelFontSizeDelta;
+      break;
+    case CONTEXT_DEPRECATED_SMALL:
+      size_delta = ui::ResourceBundle::kSmallFontDelta;
+      break;
+  }
+
+  switch (text_style) {
+    case STYLE_EMPHASIZED:
+      font_weight = gfx::Font::Weight::BOLD;
+      break;
+  }
+  constexpr gfx::Font::FontStyle kFontStyle = gfx::Font::NORMAL;
+  return ui::ResourceBundle::GetSharedInstance().GetFontListWithDelta(
+      size_delta, kFontStyle, font_weight);
+}