diff --git a/BUILD.gn b/BUILD.gn
index 70b8cb5..975d560 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1030,8 +1030,12 @@
       "tools/sk_tool_utils.cpp",
       "tools/sk_tool_utils_font.cpp",
       "tools/timer/Timer.cpp",
+      "tools/trace/SkChromeTracingTracer.cpp",
+      "tools/trace/SkChromeTracingTracer.h",
       "tools/trace/SkDebugfTracer.cpp",
       "tools/trace/SkDebugfTracer.h",
+      "tools/trace/SkEventTracingPriv.cpp",
+      "tools/trace/SkEventTracingPriv.h",
     ]
     libs = []
     if (is_ios) {