Refactor cros library code into central location and have the UI elements obs...

views/controls/button/custom_button.h

Index: views/controls/button/custom_button.h
===================================================================
--- views/controls/button/custom_button.h	(revision 28124)
+++ views/controls/button/custom_button.h	(working copy)
@@ -41,6 +41,9 @@
   // Set how long the hover animation will last for.
   void SetAnimationDuration(int duration);
 
+  // Sets whether or not to show the highlighed (i.e. hot) state. Default true.
+  void SetShowHighlighted(bool show_highlighted);
+
   // Overridden from View:
   virtual void SetEnabled(bool enabled);
   virtual bool IsEnabled() const;
@@ -105,6 +108,9 @@
   // throbbing.
   bool animate_on_state_change_;
 
+  // Whether or not to show the highlighted (i.e. hot) state.
+  bool show_highlighted_;
+
   // Mouse event flags which can trigger button actions.
   int triggerable_event_flags_;