Ship --harmony-new-target

BUG=v8:3887
LOG=y

Review URL: https://codereview.chromium.org/1267773009

Cr-Commit-Position: refs/heads/master@{#30013}

src/flag-definitions.h

@@ -203,13 +203,13 @@ DEFINE_BOOL(legacy_const, true, "legacy semantics for const in sloppy mode")
 #define HARMONY_STAGED(V)                                    \
   V(harmony_tostring, "harmony toString")                    \
   V(harmony_concat_spreadable, "harmony isConcatSpreadable") \
-  V(harmony_new_target, "harmony new.target")                \
   V(harmony_rest_parameters, "harmony rest parameters")
 
 // Features that are shipping (turned on by default, but internal flag remains).
 #define HARMONY_SHIPPING(V)                                             \
   V(harmony_arrow_functions, "harmony arrow functions")                 \
   V(harmony_computed_property_names, "harmony computed property names") \
+  V(harmony_new_target, "harmony new.target")                           \
   V(harmony_spreadcalls, "harmony spread-calls")                        \
   V(harmony_spread_arrays, "harmony spread in array literals")          \
   V(harmony_unicode, "harmony unicode escapes")                         \