Separate JSON parsing from the JavaScript parser.

src/objects.h

 // Copyright 2010 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 3344 matching lines @@
   // Script types.
   enum Type {
     TYPE_NATIVE = 0,
     TYPE_EXTENSION = 1,
     TYPE_NORMAL = 2
   };
 
   // Script compilation types.
   enum CompilationType {
     COMPILATION_TYPE_HOST = 0,
-    COMPILATION_TYPE_EVAL = 1,
-    COMPILATION_TYPE_JSON = 2
+    COMPILATION_TYPE_EVAL = 1
   };
 
   // [source]: the script source.
   DECL_ACCESSORS(source, Object)
 
   // [name]: the script name.
   DECL_ACCESSORS(name, Object)
 
   // [id]: the script id.
   DECL_ACCESSORS(id, Object)
@@ skipping 2337 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_