Ship --harmony-namespace-exports.

This enables by the default the
  export * as foo from "bar"
syntax in modules.

Bug: v8:8101
Change-Id: I98b07d217ae08ff6a556e69cb3bf6e8f4bd46a07
Reviewed-on: https://chromium-review.googlesource.com/c/1282972Reviewed-by: Adam Klein <adamk@chromium.org>
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56732}

src/flag-definitions.h

@@ -228,8 +228,6 @@ DEFINE_IMPLICATION(harmony_class_fields, harmony_private_fields)
 
 // Features that are complete (but still behind --harmony/es-staging flag).
 #define HARMONY_STAGED(V)                                                  \
-  V(harmony_namespace_exports,                                             \
-    "harmony namespace exports (export * as foo from 'bar')")              \
   V(harmony_public_fields, "harmony public fields in class literals")      \
   V(harmony_private_fields, "harmony private fields in class literals")    \
   V(harmony_numeric_separator, "harmony numeric separator between digits") \
@@ -238,6 +236,8 @@ DEFINE_IMPLICATION(harmony_class_fields, harmony_private_fields)
 
 // Features that are shipping (turned on by default, but internal flag remains).
 #define HARMONY_SHIPPING_BASE(V)                                        \
+  V(harmony_namespace_exports,                                          \
+    "harmony namespace exports (export * as foo from 'bar')")           \
   V(harmony_sharedarraybuffer, "harmony sharedarraybuffer")             \
   V(harmony_import_meta, "harmony import.meta property")                \
   V(harmony_dynamic_import, "harmony dynamic import")                   \