Move SetFastElementsCapacity into GrowCapacityAndConvert

src/objects.h

 // 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.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 2007 matching lines @@
   bool WouldConvertToSlowElements(uint32_t index);
   inline bool WouldConvertToSlowElements(Handle<Object> key);
   // Do we want to keep the elements in fast case when increasing the
   // capacity?
   bool ShouldConvertToSlowElements(int new_capacity);
   // Returns true if the backing storage for the slow-case elements of
   // this object takes up nearly as much space as a fast-case backing
   // storage would.  In that case the JSObject should have fast
   // elements.
   bool ShouldConvertToFastElements();
-  // Returns true if the elements of JSObject contains only values that can be
-  // represented in a FixedDoubleArray and has at least one value that can only
-  // be represented as a double and not a Smi.
-  bool ShouldConvertToFastDoubleElements(bool* has_smi_only_elements);
+  ElementsKind BestFittingFastElementsKind();
 
   // Computes the new capacity when expanding the elements of a JSObject.
   static uint32_t NewElementsCapacity(uint32_t old_capacity) {
     // (old_capacity + 50%) + 16
     return old_capacity + (old_capacity >> 1) + 16;
   }
 
   // These methods do not perform access checks!
   static void UpdateAllocationSite(Handle<JSObject> object,
                                    ElementsKind to_kind);
 
-  enum SetFastElementsCapacitySmiMode {
-    kAllowSmiElements,
-    kForceSmiElements,
-    kDontAllowSmiElements
-  };
-
-  static Handle<FixedArray> SetFastElementsCapacity(
-      Handle<JSObject> object, int capacity,
-      SetFastElementsCapacitySmiMode smi_mode);
-
-  // Replace the elements' backing store with fast elements of the given
-  // capacity.  Update the length for JSArrays.  Returns the new backing
-  // store.
-  static Handle<FixedArray> SetFastElementsCapacityAndLength(
-      Handle<JSObject> object,
-      int capacity,
-      int length,
-      SetFastElementsCapacitySmiMode smi_mode);
-  static void SetFastDoubleElementsCapacityAndLength(Handle<JSObject> object,
-                                                     int capacity, int length);
-
   // Lookup interceptors are used for handling properties controlled by host
   // objects.
   inline bool HasNamedInterceptor();
   inline bool HasIndexedInterceptor();
 
   // Computes the enumerable keys from interceptors. Used for debug mirrors and
   // by JSReceiver::GetKeys.
   MUST_USE_RESULT static MaybeHandle<JSObject> GetKeysForNamedInterceptor(
       Handle<JSObject> object,
       Handle<JSReceiver> receiver);
@@ skipping 8774 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_