Move SetFastDoubleElementsCapacity 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 2033 matching lines @@
 
   enum SetFastElementsCapacitySmiMode {
     kAllowSmiElements,
     kForceSmiElements,
     kDontAllowSmiElements
   };
 
   static Handle<FixedArray> SetFastElementsCapacity(
       Handle<JSObject> object, int capacity,
       SetFastElementsCapacitySmiMode smi_mode);
-  static Handle<FixedArrayBase> SetFastDoubleElementsCapacity(
-      Handle<JSObject> object, int capacity);
 
   // 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 Handle<FixedArrayBase> SetFastDoubleElementsCapacityAndLength(
-      Handle<JSObject> object, int capacity, int length);
+  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,
@@ skipping 8774 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_