Revert "HashTable::EnsureCapacity() handlified."

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 3fd8d7b15a7e483c294b39a62512c59574518eb9..d926165c3e06e358ff595567f5ba58a175286743 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -3736,7 +3736,7 @@ class HashTable: public FixedArray {
       PretenureFlag pretenure = NOT_TENURED);
 
   // Returns a new HashTable object.
-  MUST_USE_RESULT static Handle<Derived> New(
+  static Handle<Derived> New(
       Isolate* isolate,
       int at_least_space_for,
       MinimumCapacity capacity_option = USE_DEFAULT_MINIMUM_CAPACITY,
@@ -3843,17 +3843,6 @@ class HashTable: public FixedArray {
     return (last + number) & (size - 1);
   }
 
-  // Attempt to shrink hash table after removal of key.
-  static Handle<Derived> Shrink(Handle<Derived> table, Key key);
-
-  // Ensure enough space for n additional elements.
-  MUST_USE_RESULT static Handle<Derived> EnsureCapacity(
-      Handle<Derived> table,
-      int n,
-      Key key,
-      PretenureFlag pretenure = NOT_TENURED);
-
- private:
   // Returns _expected_ if one of entries given by the first _probe_ probes is
   // equal to  _expected_. Otherwise, returns the entry given by the probe
   // number _probe_.
@@ -3862,7 +3851,21 @@ class HashTable: public FixedArray {
   void Swap(uint32_t entry1, uint32_t entry2, WriteBarrierMode mode);
 
   // Rehashes this hash-table into the new table.
-  void Rehash(Handle<Derived> new_table, Key key);
+  void Rehash(Derived* new_table, Key key);
+
+  // Attempt to shrink hash table after removal of key.
+  static Handle<Derived> Shrink(Handle<Derived> table, Key key);
+
+  // Ensure enough space for n additional elements.
+  MUST_USE_RESULT MaybeObject* EnsureCapacity(
+      int n,
+      Key key,
+      PretenureFlag pretenure = NOT_TENURED);
+  static Handle<Derived> EnsureCapacity(
+      Handle<Derived> table,
+      int n,
+      Key key,
+      PretenureFlag pretenure = NOT_TENURED);
 };
 
 
@@ -4105,15 +4108,6 @@ class Dictionary: public HashTable<Derived, Shape, Key> {
   static void GenerateNewEnumerationIndices(Handle<Derived> dictionary);
   static const int kMaxNumberKeyIndex = DerivedHashTable::kPrefixStartIndex;
   static const int kNextEnumerationIndexIndex = kMaxNumberKeyIndex + 1;
-
- private:
-  // This is to hide HashTable::New() which could clash with Dictionary::New().
-  // The latter one must be used for creating Dictionary and successors.
-  MUST_USE_RESULT static Handle<Derived> New(
-      Isolate* isolate,
-      int at_least_space_for,
-      MinimumCapacity capacity_option,
-      PretenureFlag pretenure);
 };