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

src/compiler/js-operator.h

 // Copyright 2013 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_COMPILER_JS_OPERATOR_H_
 #define V8_COMPILER_JS_OPERATOR_H_
 
 #include "src/base/compiler-specific.h"
 #include "src/globals.h"
 #include "src/runtime/runtime.h"
 #include "src/type-hints.h"
 
 namespace v8 {
 namespace internal {
+
+class BoilerplateDescription;
+class ConstantElementsPair;
+
 namespace compiler {
 
 // Forward declarations.
 class Operator;
 struct JSOperatorGlobalCache;
 
 
 // Defines a pair of {TypeFeedbackVector} and {TypeFeedbackVectorSlot}, which
 // is used to access the type feedback for a certain {Node}.
 class V8_EXPORT_PRIVATE VectorSlotPair {
@@ skipping 666 matching lines @@
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(JSOperatorBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_OPERATOR_H_