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Source/build/features.gypi

Index: Source/build/features.gypi
diff --git a/Source/build/features.gypi b/Source/build/features.gypi
index 9ee605c7abf0bb081df49ba1c4e51ca7e4191e2b..4852ca70a48f88900f83af5fe91a60cbd7b5581f 100644
--- a/Source/build/features.gypi
+++ b/Source/build/features.gypi
@@ -44,6 +44,7 @@
       # Enables the Oilpan garbage-collection infrastructure.
       'enable_oilpan%': 0,
       'gc_profile_heap%': 0,
+      'gc_profile_free_list%': 0,
       'gc_profile_marking%': 0,
       'blink_logging_always_on%': 0,
     },
@@ -88,6 +89,12 @@
           'ENABLE_GC_PROFILE_HEAP=1',
         ],
       }],
+      ['gc_profile_free_list==1', {
+        'feature_defines': [
+          'ENABLE_GC_PROFILING=1',
+          'ENABLE_GC_PROFILE_FREE_LIST=1',
+        ],
+      }],
       ['gc_profile_marking==1', {
         'feature_defines': [
           'ENABLE_GC_PROFILING=1',