"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"
 
+namespace views {
+class TypographyProvider;
+}
+
 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,
     // Default minimum width of a button.
@@ skipping 57 matching lines @@
   //   | Label 1      Checkbox 1 |
   //   | Label 2      Checkbox 2 |
   //   ---------------------------
   // This value controls the alignment used for "Label 1" and "Label 2".
   virtual views::GridLayout::Alignment GetControlLabelGridAlignment() const;
 
   // Returns whether to use extra padding on dialogs. If this is false, content
   // Views for dialogs should not insert extra padding at their own edges.
   virtual bool UseExtraDialogPadding() const;
 
+  // Returns whether to show the icon next to the title text on a dialog.
+  virtual bool ShouldShowWindowIcon() const;
+
   // DEPRECATED.  Returns whether Harmony mode is enabled.
   //
   // Instead of using this, create a generic solution that works for all UI
   // types, e.g. by adding a new LayoutDistance value that means what you need.
   //
   // TODO(pkasting): Fix callers and remove this.
   virtual bool IsHarmonyMode() const;
 
   // 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;
 
-  // Returns whether to show the icon next to the title text on a dialog.
-  virtual bool ShouldShowWindowIcon() const;
+  // Returns the class that maps views::style values (TextContext and TextStyle)
+  // to specific font properties (e.g. typeface, size, color, line spacing).
+  virtual const views::TypographyProvider& GetTypographyProvider() const;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(LayoutDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_HARMONY_LAYOUT_DELEGATE_H_