Generalize virtually dispatched scavenger to virtually dispatched specialized visitors.

src/bootstrapper.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 18 matching lines @@
 
 #include "accessors.h"
 #include "api.h"
 #include "bootstrapper.h"
 #include "compiler.h"
 #include "debug.h"
 #include "execution.h"
 #include "global-handles.h"
 #include "macro-assembler.h"
 #include "natives.h"
+#include "objects-visiting.h"
 #include "snapshot.h"
 #include "stub-cache.h"
 
 namespace v8 {
 namespace internal {
 
 // A SourceCodeCache uses a FixedArray to store pairs of
 // (AsciiString*, JSFunction*), mapping names of native code files
 // (runtime.js, etc.) to precompiled functions. Instead of mapping
 // names to functions it might make sense to let the JS2C tool
@@ skipping 756 matching lines @@
     }
     descriptors->SetNextEnumerationIndex(enum_index);
     descriptors->Sort();
 
     initial_map->set_inobject_properties(5);
     initial_map->set_pre_allocated_property_fields(5);
     initial_map->set_unused_property_fields(0);
     initial_map->set_instance_size(
         initial_map->instance_size() + 5 * kPointerSize);
     initial_map->set_instance_descriptors(*descriptors);
-    initial_map->set_scavenger(
-        Heap::GetScavenger(initial_map->instance_type(),
-                           initial_map->instance_size()));
+    initial_map->set_visitor_id(StaticVisitorBase::GetVisitorId(*initial_map));
   }
 
   {  // -- J S O N
     Handle<String> name = Factory::NewStringFromAscii(CStrVector("JSON"));
     Handle<JSFunction> cons = Factory::NewFunction(
         name,
         Factory::the_hole_value());
     cons->SetInstancePrototype(global_context()->initial_object_prototype());
     cons->SetInstanceClassName(*name);
     Handle<JSObject> json_object = Factory::NewJSObject(cons, TENURED);
@@ skipping 982 matching lines @@
 }
 
 
 // Restore statics that are thread local.
 char* BootstrapperActive::RestoreState(char* from) {
   nesting_ = *reinterpret_cast<int*>(from);
   return from + sizeof(nesting_);
 }
 
 } }  // namespace v8::internal