Allow various font weights in gfx.

ui/views/controls/styled_label.h

Index: ui/views/controls/styled_label.h
diff --git a/ui/views/controls/styled_label.h b/ui/views/controls/styled_label.h
index ee0780e494d44cf08a7ed05b03bdd1f1f09a721b..08829780f8b2bdecc700cc566772fdf12eb0c227 100644
--- a/ui/views/controls/styled_label.h
+++ b/ui/views/controls/styled_label.h
@@ -41,9 +41,12 @@ class VIEWS_EXPORT StyledLabel : public View, public LinkListener {
     static RangeStyleInfo CreateForLink();
 
     // The font style that will be applied to the range. Should be a bitmask of
-    // values defined in gfx::Font::FontStyle (BOLD, ITALIC, UNDERLINE).
+    // values defined in gfx::Font::FontStyle (ITALIC, UNDERLINE).
     int font_style;
 
+    // The font weight to be applied to the range. Default is WEIGHT_NORMAL.
+    gfx::Font::FontWeight weight;
+
     // The text color for the range. Default is SK_ColorTRANSPARENT, indicating
     // the theme's default color should be used.
     SkColor color;