MD - update checkbox and radio buttons

ui/gfx/canvas.h

Index: ui/gfx/canvas.h
diff --git a/ui/gfx/canvas.h b/ui/gfx/canvas.h
index fd06b6b7fa5114b44e63e08c4cd2378056901be1..a05c8e0fcf069619461ac43c65acb5fe745bdfb8 100644
--- a/ui/gfx/canvas.h
+++ b/ui/gfx/canvas.h
@@ -249,6 +249,11 @@ class GFX_EXPORT Canvas {
                   int radius,
                   const SkPaint& paint);
 
+  // Draws a circle with the given |paint| parameters.
+  void DrawCircle(const PointF& center_point,
+                  float radius,
+                  const SkPaint& paint);
+
   // Draws the given rectangle with rounded corners of |radius| using the
   // given |paint| parameters. DEPRECATED in favor of the RectF version below.
   // TODO(mgiuca): Remove this (http://crbug.com/553726).