Index: base/debug/trace_event.h |
diff --git a/base/debug/trace_event.h b/base/debug/trace_event.h |
index 43eb09c4771318528290d38d1ab0b28565da0833..87a6ba57f190306715f7781531ce12700b6ad1c2 100644 |
--- a/base/debug/trace_event.h |
+++ b/base/debug/trace_event.h |
@@ -907,9 +907,10 @@ TRACE_EVENT_API_CLASS_EXPORT extern \ |
// definitions. |
// Phase indicates the nature of an event entry. E.g. part of a begin/end pair. |
-#define TRACE_EVENT_PHASE_BEGIN ('B') |
-#define TRACE_EVENT_PHASE_END ('E') |
-#define TRACE_EVENT_PHASE_INSTANT ('i') |
+#define TRACE_EVENT_PHASE_BEGIN ('B') |
+#define TRACE_EVENT_PHASE_END ('E') |
+#define TRACE_EVENT_PHASE_INSTANT ('i') |
+#define TRACE_EVENT_PHASE_INSTANT_OLD ('I') // Used by third party libraries. |
#define TRACE_EVENT_PHASE_ASYNC_BEGIN ('S') |
#define TRACE_EVENT_PHASE_ASYNC_STEP ('T') |
#define TRACE_EVENT_PHASE_ASYNC_END ('F') |