Reimplement stack manipulations for LiveEdit

src/heap.h

 // 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 614 matching lines @@
   // self_reference. This allows generated code to reference its own Code
   // object by containing this pointer.
   // Please note this function does not perform a garbage collection.
   static Object* CreateCode(const CodeDesc& desc,
                             ZoneScopeInfo* sinfo,
                             Code::Flags flags,
                             Handle<Object> self_reference);
 
   static Object* CopyCode(Code* code);
 
-  // Copy the code and scope info part of the code object, but insert
-  // the provided data as the relocation information.
-  static Object* CopyCode(Code* code, Vector<byte> reloc_info);
+  static Object* AddPatchToCode(Code* code, Code* patch);
 
   // Finds the symbol for string in the symbol table.
   // If not found, a new symbol is added to the table and returned.
   // Returns Failure::RetryAfterGC(requested_bytes, space) if allocation
   // failed.
   // Please note this function does not perform a garbage collection.
   static Object* LookupSymbol(Vector<const char> str);
   static Object* LookupAsciiSymbol(const char* str) {
     return LookupSymbol(CStrVector(str));
   }
@@ skipping 1336 matching lines @@
 
   // To speed up scavenge collections new space string are kept
   // separate from old space strings.
   static List<Object*> new_space_strings_;
   static List<Object*> old_space_strings_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_