Use views::style for buttons, bootstrap ash_typography to do so.

chrome/browser/ui/views/profiles/new_avatar_button.cc

Index: chrome/browser/ui/views/profiles/new_avatar_button.cc
diff --git a/chrome/browser/ui/views/profiles/new_avatar_button.cc b/chrome/browser/ui/views/profiles/new_avatar_button.cc
index 795ca239a216e99c1280e4eaff0747fdef293a11..b2e9118d08431fe7df3091c1cc798ba5bb3ef24b 100644
--- a/chrome/browser/ui/views/profiles/new_avatar_button.cc
+++ b/chrome/browser/ui/views/profiles/new_avatar_button.cc
@@ -74,7 +74,7 @@ NewAvatarButton::NewAvatarButton(AvatarButtonDelegate* delegate,
   // is larger than this, it will be shrunk to match it.
   // TODO(noms): Calculate this constant algorithmically from the button's size.
   const int kDisplayFontHeight = 16;
-  SetFontList(
+  label()->SetFontList(
       label()->font_list().DeriveWithHeightUpperBound(kDisplayFontHeight));

[tapted, 2017/04/07 07:49:52]

This `DeriveWithHeightUpperBound` method is horrible...

[Peter Kasting, 2017/04/08 01:38:54]

Long-term, anywhere that uses this should really probably be placing the text
inside an object that can auto-expand vertically.

[tapted, 2017/04/10 12:27:33]

Acknowledged.

 
   ui::ResourceBundle* rb = &ui::ResourceBundle::GetSharedInstance();