Oilpan: GC profiling.

Source/build/features.gypi

Index: Source/build/features.gypi
diff --git a/Source/build/features.gypi b/Source/build/features.gypi
index d340677e7b98e44f4f661e1e1643738a7db60ce1..1c29c6b13bcf83f1bdf8d812e2e6d6160e93331a 100644
--- a/Source/build/features.gypi
+++ b/Source/build/features.gypi
@@ -43,7 +43,7 @@
     'variables': {
       # Enables the Oilpan garbage-collection infrastructure.
       'enable_oilpan%': 0,
-      'gc_tracing%': 0
+      'gc_profiling%': 0

[Mads Ager (chromium), 2014/07/11 11:26:54]

We might want to split this into two separate things. One for just tracing
marking and one for gathering profiling information?

[zerny-chromium, 2014/07/11 11:56:37]

Acknowledged.

     },
     'conditions': [
       ['use_concatenated_impulse_responses==1', {
@@ -86,9 +86,9 @@
           'ENABLE_OILPAN=1',
         ],
       }],
-      ['gc_tracing==1', {
+      ['gc_profiling==1', {
         'feature_defines': [
-          'ENABLE_GC_TRACING=1',
+          'ENABLE_GC_PROFILING=1',
         ],
       }],
     ],