[objects] Remove unused LookupIterator methods

Change-Id: Ie555be4ee5c44dcd6a1b4f5a6716b7ce38213191
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2742620Reviewed-by: Mythri Alle <mythria@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73270}

src/objects/lookup.cc

@@ -970,16 +970,6 @@ int LookupIterator::GetAccessorIndex() const {
   return descriptor_number().as_int();
 }
 
-Handle<Map> LookupIterator::GetFieldOwnerMap() const {
-  DCHECK(has_property_);
-  DCHECK(holder_->HasFastProperties(isolate_));
-  DCHECK_EQ(kField, property_details_.location());
-  DCHECK(!IsElement(*holder_));
-  Map holder_map = holder_->map(isolate_);
-  return handle(holder_map.FindFieldOwner(isolate(), descriptor_number()),
-                isolate_);
-}
-
 FieldIndex LookupIterator::GetFieldIndex() const {
   DCHECK(has_property_);
   DCHECK(holder_->HasFastProperties(isolate_));
@@ -988,16 +978,6 @@ FieldIndex LookupIterator::GetFieldIndex() const {
   return FieldIndex::ForDescriptor(holder_->map(isolate_), descriptor_number());
 }
 
-Handle<FieldType> LookupIterator::GetFieldType() const {
-  DCHECK(has_property_);
-  DCHECK(holder_->HasFastProperties(isolate_));
-  DCHECK_EQ(kField, property_details_.location());
-  return handle(
-      holder_->map(isolate_).instance_descriptors(isolate_).GetFieldType(
-          isolate_, descriptor_number()),
-      isolate_);
-}
-
 Handle<PropertyCell> LookupIterator::GetPropertyCell() const {
   DCHECK(!IsElement(*holder_));
   Handle<JSGlobalObject> holder = GetHolder<JSGlobalObject>();

src/objects/lookup.h

@@ -172,9 +172,7 @@ class V8_EXPORT_PRIVATE LookupIterator final {
   }
   PropertyLocation location() const { return property_details().location(); }
   PropertyConstness constness() const { return property_details().constness(); }
-  Handle<Map> GetFieldOwnerMap() const;
   FieldIndex GetFieldIndex() const;
-  Handle<FieldType> GetFieldType() const;
   int GetFieldDescriptorIndex() const;
   int GetAccessorIndex() const;
   Handle<PropertyCell> GetPropertyCell() const;