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/fixed-dtoa.h b/src/fixed-dtoa.h
index b6495c1..f8a29e0 100644
--- a/src/fixed-dtoa.h
+++ b/src/fixed-dtoa.h
@@ -5,6 +5,8 @@
 #ifndef V8_FIXED_DTOA_H_
 #define V8_FIXED_DTOA_H_
 
+#include "src/vector.h"
+
 namespace v8 {
 namespace internal {
 
@@ -27,6 +29,7 @@
 bool FastFixedDtoa(double v, int fractional_count,
                    Vector<char> buffer, int* length, int* decimal_point);
 
-} }  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8
 
 #endif  // V8_FIXED_DTOA_H_