Revert "Add Smi::Zero and replace all Smi::FromInt(0) calls"

src/elements.cc

 // 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.
 
 #include "src/elements.h"
 
 #include "src/arguments.h"
 #include "src/conversions.h"
 #include "src/factory.h"
 #include "src/isolate-inl.h"
@@ skipping 1952 matching lines @@
     if (new_length <= static_cast<uint32_t>(receiver->elements()->length()) &&
         IsFastSmiOrObjectElementsKind(kind)) {
       HandleScope scope(isolate);
       JSObject::EnsureWritableFastElements(receiver);
     }
 
     Handle<FixedArrayBase> backing_store(receiver->elements(), isolate);
 
     if (new_length == 0) {
       receiver->set_elements(heap->empty_fixed_array());
-      receiver->set_length(Smi::kZero);
+      receiver->set_length(Smi::FromInt(0));
       return isolate->factory()->NewJSArrayWithElements(
           backing_store, KindTraits::Kind, delete_count);
     }
 
     // Construct the result array which holds the deleted elements.
     Handle<JSArray> deleted_elements = isolate->factory()->NewJSArray(
         KindTraits::Kind, delete_count, delete_count);
     if (delete_count > 0) {
       DisallowHeapAllocation no_gc;
       Subclass::CopyElementsImpl(*backing_store, start,
@@ skipping 1751 matching lines @@
     insertion_index += len;
   }
 
   DCHECK_EQ(insertion_index, result_len);
   return result_array;
 }
 
 ElementsAccessor** ElementsAccessor::elements_accessors_ = NULL;
 }  // namespace internal
 }  // namespace v8