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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 0e08f173f28c2173e54f52bc3258c343255157c7..a2f1bd44ff177c08674b50b3c5f856016da2c487 100644
--- a/Source/build/features.gypi
+++ b/Source/build/features.gypi
@@ -43,6 +43,7 @@
       # Enables the Oilpan garbage-collection infrastructure.
       'enable_oilpan%': 0,
       'gc_profile_heap%': 0,
+      'gc_profile_free_list%': 0,

[keishi, 2015/01/27 08:59:00]

I tried to add a build flag but it is incomplete.

       'gc_profile_marking%': 0,
       'blink_logging_always_on%': 0,
     },
@@ -87,6 +88,12 @@
           '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',