Upgrade V8 to version 4.9.385.28

https://chromium.googlesource.com/v8/v8/+/4.9.385.28

FPIIM-449

Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/src/parsing/parameter-initializer-rewriter.h b/src/parsing/parameter-initializer-rewriter.h
new file mode 100644
index 0000000..255534c
--- /dev/null
+++ b/src/parsing/parameter-initializer-rewriter.h
@@ -0,0 +1,22 @@
+// Copyright 2015 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_PARSING_PARAMETER_EXPRESSION_REWRITER_H_
+#define V8_PARSING_PARAMETER_EXPRESSION_REWRITER_H_
+
+#include "src/ast/ast.h"
+
+namespace v8 {
+namespace internal {
+
+
+void RewriteParameterInitializerScope(uintptr_t stack_limit,
+                                      Expression* initializer, Scope* old_scope,
+                                      Scope* new_scope);
+
+
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_PARSING_PARAMETER_EXPRESSION_REWRITER_H_