Add views::RichLabel, a class which creates multi-line text with mixed

ui/views/controls/link_listener.h

Index: ui/views/controls/link_listener.h
diff --git a/ui/views/controls/link_listener.h b/ui/views/controls/link_listener.h
index 67162b03e9e13f15f2e1c193f7c68dfb6de9e4a2..99a6077790450d434b29a9827aa6395d51b42c53 100644
--- a/ui/views/controls/link_listener.h
+++ b/ui/views/controls/link_listener.h
@@ -5,12 +5,14 @@
 #ifndef UI_VIEWS_CONTROLS_LINK_LISTENER_H_
 #define UI_VIEWS_CONTROLS_LINK_LISTENER_H_
 
+#include "ui/views/views_export.h"
+
 namespace views {
 
 class Link;
 
 // An interface implemented by an object to let it know that a link was clicked.
-class LinkListener {
+class VIEWS_EXPORT LinkListener {
  public:
   virtual void LinkClicked(Link* source, int event_flags) = 0;