Blink changes to record interest rects for http://w3c.github.io/frame-timing/

Source/core/timing/Performance.h

Index: Source/core/timing/Performance.h
diff --git a/Source/core/timing/Performance.h b/Source/core/timing/Performance.h
index e83d0e9aee155b047b2b75f9f361a19f3b49bfaa..fefb8e43e42d1fcde85532219fcb6d14789e43a1 100644
--- a/Source/core/timing/Performance.h
+++ b/Source/core/timing/Performance.h
@@ -81,8 +81,17 @@ public:
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitresourcetimingbufferfull);
 
+    void webkitClearFrameTimings();
+    void webkitSetFrameTimingBufferSize(unsigned);
+
+    DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitframetimingbufferfull);
+
     void addResourceTiming(const ResourceTimingInfo&, Document*);
 
+    void addRenderTiming(Document*, unsigned, double);
+
+    void addCompositeTiming(Document*, unsigned, double);
+
     void mark(const String& markName, ExceptionState&);
     void clearMarks(const String& markName);
 
@@ -97,9 +106,14 @@ private:
     bool isResourceTimingBufferFull();
     void addResourceTimingBuffer(PassRefPtrWillBeRawPtr<PerformanceEntry>);
 
+    bool isFrameTimingBufferFull();
+    void addFrameTimingBuffer(PassRefPtrWillBeRawPtr<PerformanceEntry>);
+
     mutable RefPtrWillBeMember<PerformanceNavigation> m_navigation;
     mutable RefPtrWillBeMember<PerformanceTiming> m_timing;
 
+    PerformanceEntryVector m_frameTimingBuffer;
+    unsigned m_frameTimingBufferSize;
     PerformanceEntryVector m_resourceTimingBuffer;
     unsigned m_resourceTimingBufferSize;
     double m_referenceTime;