Reland of [esnext] ship --harmony-object-values-entries (patchset #1 id:1 of...

Reland of [esnext] ship --harmony-object-values-entries (patchset #1 id:1 of https://codereview.chromium.org/2129533004/ )

Reason for revert:
Performance stayed the same after the revert; relanding.

Original issue's description:
> Revert of [esnext] ship --harmony-object-values-entries (patchset #1 id:1 of https://codereview.chromium.org/2116053003/ )
>
> Reason for revert:
> Revert to see if it addresses the performance regression observed in chromium:625956 in automated graphs
>
> Original issue's description:
> > [esnext] ship --harmony-object-values-entries
> >
> > BUG=v8:4663
> > R=littledan@chromium.org, adamk@chromium.org
> >
> > Committed: https://crrev.com/ab529234853a1768642f8f6c907aaaa5ea8b19bf
> > Cr-Commit-Position: refs/heads/master@{#37485}
>
> TBR=adamk@chromium.org,caitpotter88@gmail.com
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=v8:4663
>
> Committed: https://crrev.com/1177750a98faaa11e92ece13b70115bf704baf3b
> Cr-Commit-Position: refs/heads/master@{#37566}

TBR=adamk@chromium.org,caitpotter88@gmail.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4663

Review-Url: https://codereview.chromium.org/2127253002
Cr-Commit-Position: refs/heads/master@{#37596}

src/flag-definitions.h

@@ -216,7 +216,6 @@ DEFINE_IMPLICATION(es_staging, move_object_start)
 #define HARMONY_STAGED_BASE(V)                                               \
   V(harmony_regexp_lookbehind, "harmony regexp lookbehind")                  \
   V(harmony_tailcalls, "harmony tail calls")                                 \
-  V(harmony_object_values_entries, "harmony Object.values / Object.entries") \
   V(harmony_object_own_property_descriptors,                                 \
     "harmony Object.getOwnPropertyDescriptors()")                            \
   V(harmony_async_await, "harmony async-await")                              \
@@ -231,10 +230,11 @@ DEFINE_IMPLICATION(es_staging, move_object_start)
 #endif
 
 // Features that are shipping (turned on by default, but internal flag remains).
-#define HARMONY_SHIPPING(V)                                           \
-  V(harmony_restrictive_declarations,                                 \
-    "harmony limitations on sloppy mode function declarations")       \
-  V(harmony_exponentiation_operator, "harmony exponentiation operator `**`")
+#define HARMONY_SHIPPING(V)                                                  \
+  V(harmony_restrictive_declarations,                                        \
+    "harmony limitations on sloppy mode function declarations")              \
+  V(harmony_exponentiation_operator, "harmony exponentiation operator `**`") \
+  V(harmony_object_values_entries, "harmony Object.values / Object.entries")
 
 // Once a shipping feature has proved stable in the wild, it will be dropped
 // from HARMONY_SHIPPING, all occurrences of the FLAG_ variable are removed,