Remove View::focusable() - Alternate approach.

ui/views/view.h

Index: ui/views/view.h
diff --git a/ui/views/view.h b/ui/views/view.h
index ec3f72b7de8d2e004558e486fa3635ce93c6e034..abd468536285c134a2bf94fcc168f264ecab65b7 100644
--- a/ui/views/view.h
+++ b/ui/views/view.h
@@ -1144,10 +1144,6 @@ class VIEWS_EXPORT View : public ui::LayerDelegate,
 
   // Focus ---------------------------------------------------------------------
 
-  // Returns true if ALWAYS is the last set focus behavior. Use IsFocusable() to
-  // determine if a view can take focus right now.
-  bool focusable() const { return focus_behavior_ == FocusBehavior::ALWAYS; }
-
   // Override to be notified when focus has changed either to or from this View.
   virtual void OnFocus();
   virtual void OnBlur();