"Bootstrap" a toolkit-views Typography spec.

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

 // Copyright 2016 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_LAYOUT_DELEGATE_H_
 #define CHROME_BROWSER_UI_VIEWS_HARMONY_LAYOUT_DELEGATE_H_
 
 #include "ui/views/layout/grid_layout.h"
+#include "ui/views/style/typography.h"
+
+// Inherit privately to prevent use of views constants scoped to this.
+class ChromeTextContext : private views::TextContext {
+ public:
+  // Headline text. Usually 20pt. Never multi-line.
+  static constexpr const Value HEADLINE = VIEWS_MAX + 1;
+
+  // "Body 1". Usually 13pt.
+  static constexpr const Value DIALOG_MESSAGE = VIEWS_MAX + 2;
+
+  // "Body 2". Usually 12pt.
+  static constexpr const Value DIALOG_TEXT_SMALL = VIEWS_MAX + 3;
+
+  // ResourceBundle::SmallFont (11 pt).
+  static constexpr const Value DEPRECATED_SMALL = VIEWS_MAX + 4;
+
+ private:
+  // Users should declare a views::TextContext, not a ChromeTextContext.
+  DISALLOW_IMPLICIT_CONSTRUCTORS(ChromeTextContext);
+};
+
+class ChromeTextStyle : private views::TextStyle {
+ public:
+  // Secondary text: may be lighter than PRIMARY.
+  static constexpr const Value SECONDARY = VIEWS_MAX + 1;
+
+  // "Hint" text, usually a line that gives context to something more important.
+  static constexpr const Value HINT = VIEWS_MAX + 2;
+
+  // A solid shade of red.
+  static constexpr const Value RED = VIEWS_MAX + 3;
+
+  // A solid shade of green.
+  static constexpr const Value GREEN = VIEWS_MAX + 4;
+
+  // Used to draw attention to a web domain.
+  static constexpr const Value WEB_DOMAIN = VIEWS_MAX + 5;
+
+  // Used to draw attention to an extension name.
+  static constexpr const Value EXTENSION_NAME = VIEWS_MAX + 6;
+
+ private:
+  DISALLOW_IMPLICIT_CONSTRUCTORS(ChromeTextStyle);
+};
 
 class LayoutDelegate {
  public:
   enum class Metric {
     // Padding on the left and right side of a button's label.
     BUTTON_HORIZONTAL_PADDING,
     // The maximum width a button can have and still influence the sizes of
     // other linked buttons.  This allows short buttons to have linked widths
     // without long buttons making things overly wide.
     BUTTON_MAX_LINKABLE_WIDTH,
@@ skipping 75 matching lines @@
 
   // Returns the preferred width in DIPs for a dialog of the specified |width|.
   // May return 0 if the dialog has no preferred width.
   virtual int GetDialogPreferredWidth(DialogWidth width) const;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(LayoutDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_HARMONY_LAYOUT_DELEGATE_H_