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 a66931b3224a2b8083345afb2fcf4ad2ebe8134c..eae4c68d650c1548f7fdc347ca9c71834357911c 100644
--- a/third_party/WebKit/Source/core/timing/PerformanceBase.h
+++ b/third_party/WebKit/Source/core/timing/PerformanceBase.h
@@ -38,6 +38,7 @@
 #include "core/loader/FrameLoaderTypes.h"
 #include "core/timing/PerformanceEntry.h"
 #include "core/timing/PerformanceNavigationTiming.h"
+#include "core/timing/PerformancePaintTiming.h"
 #include "platform/Timer.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
@@ -110,6 +111,10 @@ class CORE_EXPORT PerformanceBase : public EventTargetWithInlineData {
 
   void addNavigationTiming(LocalFrame*);
 
+  void addFirstPaintTiming(double startTime);
+
+  void addFirstContentfulPaintTiming(double startTime);
+
   void mark(const String& markName, ExceptionState&);
   void clearMarks(const String& markName);
 
@@ -132,6 +137,8 @@ class CORE_EXPORT PerformanceBase : public EventTargetWithInlineData {
       NavigationType,
       const Document*);
 
+  void addPaintTiming(PerformancePaintTiming::PaintType, double startTime);
+
  protected:
   explicit PerformanceBase(double timeOrigin);