1diff --git base/trace_event/builtin_categories.h base/trace_event/builtin_categories.h 2index c697f7ced74e..0982cd85150b 100644 3--- base/trace_event/builtin_categories.h 4+++ base/trace_event/builtin_categories.h 5@@ -59,6 +59,8 @@ 6 X("cc") \ 7 X("cc.debug") \ 8 X("cdp.perf") \ 9+ X("cef") \ 10+ X("cef.client") \ 11 X("chromeos") \ 12 X("cma") \ 13 X("compositor") \ 14