[runtime] Add DescriptorArray::GeneralizeAllFields().

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 3057 matching lines @@
   return GetKey(GetSortedKeyIndex(descriptor_number));
 }
 
 
 void DescriptorArray::SetSortedKey(int descriptor_index, int pointer) {
   PropertyDetails details = GetDetails(descriptor_index);
   set(ToDetailsIndex(descriptor_index), details.set_pointer(pointer).AsSmi());
 }
 
 
-void DescriptorArray::SetRepresentation(int descriptor_index,
-                                        Representation representation) {
-  DCHECK(!representation.IsNone());
-  PropertyDetails details = GetDetails(descriptor_index);
-  set(ToDetailsIndex(descriptor_index),
-      details.CopyWithRepresentation(representation).AsSmi());
-}
-
-
 Object** DescriptorArray::GetValueSlot(int descriptor_number) {
   DCHECK(descriptor_number < number_of_descriptors());
   return RawFieldOfElementAt(ToValueIndex(descriptor_number));
 }
 
 
 int DescriptorArray::GetValueOffset(int descriptor_number) {
   return OffsetOfElementAt(ToValueIndex(descriptor_number));
 }
 
@@ skipping 5313 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_