Remove an unused enumeration value.

src/prettyprinter.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1321 matching lines @@
         break;
       case Slot::LOCAL:
         AddAttribute("type", "LOCAL");
         break;
       case Slot::CONTEXT:
         AddAttribute("type", "CONTEXT");
         break;
       case Slot::LOOKUP:
         AddAttribute("type", "LOOKUP");
         break;
-      case Slot::GLOBAL:
-        AddAttribute("type", "GLOBAL");
-        break;
     }
     AddAttribute("index", expr->index());
   }
 }
 
 
 void JsonAstBuilder::VisitVariableProxy(VariableProxy* expr) {
   if (expr->var()->rewrite() == NULL) {
     TagScope tag(this, "VariableProxy");
     {
@@ skipping 150 matching lines @@
     AddAttribute("mode", Variable::Mode2String(decl->mode()));
   }
   Visit(decl->proxy());
   if (decl->fun() != NULL) Visit(decl->fun());
 }
 
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal