views::Border: Added CreateRoundedRectBorder.

ui/views/border.h

Index: ui/views/border.h
diff --git a/ui/views/border.h b/ui/views/border.h
index e2f7be61cff5965eb03e0132ab6b879afbf9f467..6bbcec70356f5e63b90ef04cad1ab9f521e58d09 100644
--- a/ui/views/border.h
+++ b/ui/views/border.h
@@ -49,6 +49,12 @@ class VIEWS_EXPORT Border {
   // color.
   static scoped_ptr<Border> CreateSolidBorder(int thickness, SkColor color);
 
+  // Creates a border that is a rounded rectangle of the specified thickness and
+  // color.
+  static scoped_ptr<Border> CreateRoundedRectBorder(int thickness,
+                                                    int corner_radius,
+                                                    SkColor color);
+
   // Creates a border for reserving space. The returned border does not
   // paint anything.
   static scoped_ptr<Border> CreateEmptyBorder(const gfx::Insets& insets);