TransitionElementsKind() and its recursive call chain handlified.

src/elements.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 149 matching lines @@
       Handle<FixedArrayBase> source = Handle<FixedArrayBase>::null()) = 0;
   MUST_USE_RESULT virtual MaybeObject* CopyElements(
       JSObject* source_holder,
       uint32_t source_start,
       ElementsKind source_kind,
       FixedArrayBase* destination,
       uint32_t destination_start,
       int copy_size,
       FixedArrayBase* source = NULL) = 0;
 
+  void CopyElements(
+      Handle<JSObject> from_holder,
+      Handle<FixedArrayBase> to,
+      ElementsKind from_kind,
+      Handle<FixedArrayBase> from = Handle<FixedArrayBase>::null()) {
+    CopyElements(from_holder, 0, from_kind, to, 0,
+                 kCopyToEndAndInitializeToHole, from);
+  }
+
   MUST_USE_RESULT MaybeObject* CopyElements(JSObject* from_holder,
                                             FixedArrayBase* to,
                                             ElementsKind from_kind,
                                             FixedArrayBase* from = NULL) {
     return CopyElements(from_holder, 0, from_kind, to, 0,
                         kCopyToEndAndInitializeToHole, from);
   }
 
   MUST_USE_RESULT virtual MaybeObject* AddElementsToFixedArray(
       Object* receiver,
@@ skipping 37 matching lines @@
 
 void CheckArrayAbuse(JSObject* obj, const char* op, uint32_t key,
                      bool allow_appending = false);
 
 Handle<Object> ArrayConstructInitializeElements(Handle<JSArray> array,
                                                 Arguments* args);
 
 } }  // namespace v8::internal
 
 #endif  // V8_ELEMENTS_H_