Enable marking progress bar for large objects by default.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/11416072

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13005 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/flag-definitions.h

@@ -445,7 +445,7 @@ DEFINE_bool(incremental_code_compaction, true,
 DEFINE_bool(cleanup_code_caches_at_gc, true,
             "Flush inline caches prior to mark compact collection and "
             "flush code caches in maps during mark compact cycle.")
-DEFINE_bool(use_marking_progress_bar, false,
+DEFINE_bool(use_marking_progress_bar, true,
             "Use a progress bar to scan large objects in increments when "
             "incremental marking is active.")
 DEFINE_int(random_seed, 0,