JSObject::EnsureCanContainElements() handlified.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index f730d2f53591916e35e12f1a2ef4dc2eab1395f0..34edd0a7419ad64f56c875aca0298d3b9f79c8b1 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -2420,7 +2420,8 @@ class JSObject: public JSReceiver {
   static inline void EnsureCanContainHeapObjectElements(Handle<JSObject> obj);
 
   // Makes sure that this object can contain the specified elements.
-  MUST_USE_RESULT inline MaybeObject* EnsureCanContainElements(
+  static inline void EnsureCanContainElements(
+      Handle<JSObject> object,
       Object** elements,
       uint32_t count,
       EnsureElementsMode mode);
@@ -2429,21 +2430,12 @@ class JSObject: public JSReceiver {
       Handle<FixedArrayBase> elements,
       uint32_t length,
       EnsureElementsMode mode);
-  MUST_USE_RESULT inline MaybeObject* EnsureCanContainElements(
-      FixedArrayBase* elements,
-      uint32_t length,
-      EnsureElementsMode mode);
   static void EnsureCanContainElements(
       Handle<JSObject> object,
       Arguments* arguments,
       uint32_t first_arg,
       uint32_t arg_count,
       EnsureElementsMode mode);
-  MUST_USE_RESULT MaybeObject* EnsureCanContainElements(
-      Arguments* arguments,
-      uint32_t first_arg,
-      uint32_t arg_count,
-      EnsureElementsMode mode);
 
   // Would we convert a fast elements array to dictionary mode given
   // an access at key?