Revert 285142 "Open the WrenchMenu on mouseover when dragging a ..."

trunk/src/ui/views/controls/menu/menu_runner.h

Index: trunk/src/ui/views/controls/menu/menu_runner.h
===================================================================
--- trunk/src/ui/views/controls/menu/menu_runner.h	(revision 285300)
+++ trunk/src/ui/views/controls/menu/menu_runner.h	(working copy)
@@ -82,12 +82,6 @@
     // The menu should behave like a Windows native Combobox dropdow menu.
     // This behavior includes accepting the pending item and closing on F4.
     COMBOBOX  = 1 << 4,
-
-    // A child view is performing a drag-and-drop operation, so the menu should
-    // stay open (even if it doesn't receive drag updated events). In this case,
-    // the caller is responsible for closing the menu upon completion of the
-    // drag-and-drop.
-    NESTED_DRAG = 1 << 5,
   };
 
   enum RunResult {