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/preparse-data-format.h b/src/parsing/preparse-data-format.h
new file mode 100644
index 0000000..f7d9f68
--- /dev/null
+++ b/src/parsing/preparse-data-format.h
@@ -0,0 +1,41 @@
+// Copyright 2011 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_PREPARSE_DATA_FORMAT_H_
+#define V8_PARSING_PREPARSE_DATA_FORMAT_H_
+
+namespace v8 {
+namespace internal {
+
+// Generic and general data used by preparse data recorders and readers.
+
+struct PreparseDataConstants {
+ public:
+  // Layout and constants of the preparse data exchange format.
+  static const unsigned kMagicNumber = 0xBadDead;
+  static const unsigned kCurrentVersion = 11;
+
+  static const int kMagicOffset = 0;
+  static const int kVersionOffset = 1;
+  static const int kHasErrorOffset = 2;
+  static const int kFunctionsSizeOffset = 3;
+  static const int kSizeOffset = 4;
+  static const int kHeaderSize = 5;
+
+  // If encoding a message, the following positions are fixed.
+  static const int kMessageStartPos = 0;
+  static const int kMessageEndPos = 1;
+  static const int kMessageArgCountPos = 2;
+  static const int kParseErrorTypePos = 3;
+  static const int kMessageTemplatePos = 4;
+  static const int kMessageArgPos = 5;
+
+  static const unsigned char kNumberTerminator = 0x80u;
+};
+
+
+}  // namespace internal
+}  // namespace v8.
+
+#endif  // V8_PARSING_PREPARSE_DATA_FORMAT_H_