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/splay-tree.h b/src/splay-tree.h
index 30e5d67..bee8429 100644
--- a/src/splay-tree.h
+++ b/src/splay-tree.h
@@ -198,6 +198,7 @@
 };
 
 
-} }  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8
 
 #endif  // V8_SPLAY_TREE_H_