Remove dead GeneralizeFieldRepresentation

src/objects.cc

 // Copyright 2013 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.
 
 #include <sstream>
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
@@ skipping 2143 matching lines @@
         address + new_instance_size, instance_size_delta);
     heap->AdjustLiveBytes(address, -instance_size_delta, Heap::FROM_MUTATOR);
   }
 
   // We are storing the new map using release store after creating a filler for
   // the left-over space to avoid races with the sweeper thread.
   object->synchronized_set_map(*new_map);
 }
 
 
-void JSObject::GeneralizeFieldRepresentation(Handle<JSObject> object,
-                                             int modify_index,
-                                             Representation new_representation,
-                                             Handle<HeapType> new_field_type) {
-  Handle<Map> new_map = Map::GeneralizeRepresentation(
-      handle(object->map()), modify_index, new_representation, new_field_type,
-      FORCE_FIELD);
-  MigrateToMap(object, new_map);
-}
-
-
 int Map::NumberOfFields() {
   DescriptorArray* descriptors = instance_descriptors();
   int result = 0;
   for (int i = 0; i < NumberOfOwnDescriptors(); i++) {
     if (descriptors->GetDetails(i).type() == FIELD) result++;
   }
   return result;
 }
 
 
@@ skipping 14310 matching lines @@
   Handle<DependentCode> codes =
       DependentCode::Insert(handle(cell->dependent_code(), info->isolate()),
                             DependentCode::kPropertyCellChangedGroup,
                             info->object_wrapper());
   if (*codes != cell->dependent_code()) cell->set_dependent_code(*codes);
   info->dependencies(DependentCode::kPropertyCellChangedGroup)->Add(
       cell, info->zone());
 }
 
 } }  // namespace v8::internal