[objects.h splitting] Move out ConstantElementsPair and BoileplateDescriptor.

src/factory.h

 // Copyright 2014 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_FACTORY_H_
 #define V8_FACTORY_H_
 
 #include "src/globals.h"
 #include "src/isolate.h"
 #include "src/messages.h"
 #include "src/type-feedback-vector.h"
 
 namespace v8 {
 namespace internal {
 
+class BoilerplateDescription;
+class ConstantElementsPair;
+
 enum FunctionMode {
   // With prototype.
   FUNCTION_WITH_WRITEABLE_PROTOTYPE,
   FUNCTION_WITH_READONLY_PROTOTYPE,
   // Without prototype.
   FUNCTION_WITHOUT_PROTOTYPE
 };
 
 // Interface for handle based allocation.
 class V8_EXPORT_PRIVATE Factory final {
@@ skipping 811 matching lines @@
   void SetStrictFunctionInstanceDescriptor(Handle<Map> map,
                                            FunctionMode function_mode);
 
   void SetClassFunctionInstanceDescriptor(Handle<Map> map);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_FACTORY_H_