Several methods moved from JSObject to Map.

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 1792 matching lines @@
   WRITE_FIELD(this, kPropertiesOffset, GetHeap()->empty_fixed_array());
 }
 
 
 void JSObject::initialize_elements() {
   FixedArrayBase* elements = map()->GetInitialElements();
   WRITE_FIELD(this, kElementsOffset, elements);
 }
 
 
-Handle<String> JSObject::ExpectedTransitionKey(Handle<Map> map) {
+Handle<String> Map::ExpectedTransitionKey(Handle<Map> map) {
   DisallowHeapAllocation no_gc;
   if (!map->HasTransitionArray()) return Handle<String>::null();
   TransitionArray* transitions = map->transitions();
   if (!transitions->IsSimpleTransition()) return Handle<String>::null();
   int transition = TransitionArray::kSimpleTransitionIndex;
   PropertyDetails details = transitions->GetTargetDetails(transition);
   Name* name = transitions->GetKey(transition);
   if (details.type() != FIELD) return Handle<String>::null();
   if (details.attributes() != NONE) return Handle<String>::null();
   if (!name->IsString()) return Handle<String>::null();
   return Handle<String>(String::cast(name));
 }
 
 
-Handle<Map> JSObject::ExpectedTransitionTarget(Handle<Map> map) {
+Handle<Map> Map::ExpectedTransitionTarget(Handle<Map> map) {
   ASSERT(!ExpectedTransitionKey(map).is_null());
   return Handle<Map>(map->transitions()->GetTarget(
       TransitionArray::kSimpleTransitionIndex));
 }
 
 
-Handle<Map> JSObject::FindTransitionToField(Handle<Map> map, Handle<Name> key) {
+Handle<Map> Map::FindTransitionToField(Handle<Map> map, Handle<Name> key) {
   DisallowHeapAllocation no_allocation;
   if (!map->HasTransitionArray()) return Handle<Map>::null();
   TransitionArray* transitions = map->transitions();
   int transition = transitions->Search(*key);
   if (transition == TransitionArray::kNotFound) return Handle<Map>::null();
   PropertyDetails target_details = transitions->GetTargetDetails(transition);
   if (target_details.type() != FIELD) return Handle<Map>::null();
   if (target_details.attributes() != NONE) return Handle<Map>::null();
   return Handle<Map>(transitions->GetTarget(transition));
 }
@@ skipping 5178 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_