"Bootstrap" a toolkit-views Typography spec.

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

Index: chrome/browser/ui/views/harmony/layout_delegate.h
diff --git a/chrome/browser/ui/views/harmony/layout_delegate.h b/chrome/browser/ui/views/harmony/layout_delegate.h
index e37879f86ed5e5433edaf45c5a8b4f31ef58058a..b15854c3ab48138d6366d01cf61a774c29112686 100644
--- a/chrome/browser/ui/views/harmony/layout_delegate.h
+++ b/chrome/browser/ui/views/harmony/layout_delegate.h
@@ -7,6 +7,10 @@
 
 #include "ui/views/layout/grid_layout.h"
 
+namespace views {
+class TypographyProvider;
+}
+
 class LayoutDelegate {
  public:
   enum class Metric {
@@ -96,6 +100,10 @@ class LayoutDelegate {
   // May return 0 if the dialog has no preferred width.
   virtual int GetDialogPreferredWidth(DialogWidth width) const;
 
+  // Returns the class that maps views::style (TextContext and TextStyle) to

[Peter Kasting, 2017/03/17 20:59:39]

Nit: style -> style values (or style enums)

[tapted, 2017/03/20 07:33:35]

Done.

+  // specific font properties (e.g. typeface, size, color, line spacing).
+  virtual const views::TypographyProvider& GetTypographyProvider() const;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(LayoutDelegate);
 };