first-paint and first-contentful paint

third_party/WebKit/Source/core/timing/PerformanceBase.h

Index: third_party/WebKit/Source/core/timing/PerformanceBase.h
diff --git a/third_party/WebKit/Source/core/timing/PerformanceBase.h b/third_party/WebKit/Source/core/timing/PerformanceBase.h
index 3bbee2edb770f543264ff4152219cc1c445af1ae..1aee20b3cc614a68f0bcc5400c58d2cfe04cfb4c 100644
--- a/third_party/WebKit/Source/core/timing/PerformanceBase.h
+++ b/third_party/WebKit/Source/core/timing/PerformanceBase.h
@@ -36,6 +36,7 @@
 #include "core/dom/DOMHighResTimeStamp.h"
 #include "core/events/EventTarget.h"
 #include "core/timing/PerformanceEntry.h"
+#include "core/timing/PerformancePaintTiming.h"
 #include "platform/Timer.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
@@ -107,6 +108,8 @@ class CORE_EXPORT PerformanceBase : public EventTargetWithInlineData {
 
   void addNavigationTiming(LocalFrame*);
 
+  void addPaintTiming(PerformancePaintTiming::PaintType, double startTime);
+
   void mark(const String& markName, ExceptionState&);
   void clearMarks(const String& markName);