first-paint and first-contentful paint

third_party/WebKit/Source/core/timing/PerformancePaintTiming.idl

Index: third_party/WebKit/Source/core/timing/PerformancePaintTiming.idl
diff --git a/third_party/WebKit/Source/core/timing/PerformancePaintTiming.idl b/third_party/WebKit/Source/core/timing/PerformancePaintTiming.idl
new file mode 100644
index 0000000000000000000000000000000000000000..8bbfe013fe51c607861f9aa758fe2cd6cf66a3ce
--- /dev/null
+++ b/third_party/WebKit/Source/core/timing/PerformancePaintTiming.idl
@@ -0,0 +1,10 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// https://github.com/tdresser/time-to-first-paint

[tdresser, 2016/12/08 14:54:40]

Update to WICG address.

[sunjian, 2016/12/09 19:06:50]

Done.

+
+[
+    RuntimeEnabled=PerformancePaintTiming,
+] interface PerformancePaintTiming : PerformanceEntry {
+};