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

Source/core/timing/PerformanceCompositeTiming.cpp

Index: Source/core/timing/PerformanceCompositeTiming.cpp
diff --git a/Source/web/WebImageGenerator.cpp b/Source/core/timing/PerformanceCompositeTiming.cpp
similarity index 59%
copy from Source/web/WebImageGenerator.cpp
copy to Source/core/timing/PerformanceCompositeTiming.cpp
index 0ea634147fcaab0923eea06b16abcd8cdcda4b89..d4879e9fcb659f78549ed333661a07da02c0be1a 100644
--- a/Source/web/WebImageGenerator.cpp
+++ b/Source/core/timing/PerformanceCompositeTiming.cpp
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2015 Google Inc. All rights reserved.
+ * Copyright (C) 2015 Intel Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -29,15 +30,39 @@
  */
 
 #include "config.h"
-#include "public/platform/WebImageGenerator.h"
+#include "core/timing/PerformanceCompositeTiming.h"
 
-#include "platform/graphics/DecodingImageGenerator.h"
+#include "core/dom/Document.h"
+#include "core/loader/DocumentLoader.h"
 
 namespace blink {
 
-SkImageGenerator* WebImageGenerator::create(SkData* data)
+static double monotonicTimeToDocumentMilliseconds(Document* document, double seconds)
 {
-    return DecodingImageGenerator::create(data);
+    ASSERT(seconds >= 0.0);
+    return document->loader()->timing()->monotonicTimeToZeroBasedDocumentTime(seconds) * 1000.0;
+}
+
+PerformanceCompositeTiming::PerformanceCompositeTiming(Document* requestingDocument, unsigned sourceFrame, double startTime)
+    : PerformanceEntry(requestingDocument->url().string(), "composite", monotonicTimeToDocumentMilliseconds(requestingDocument, startTime), monotonicTimeToDocumentMilliseconds(requestingDocument, startTime))
+    , m_sourceFrame(sourceFrame)
+    , m_requestingDocument(requestingDocument)
+{
+}
+
+PerformanceCompositeTiming::~PerformanceCompositeTiming()
+{
+}
+
+unsigned PerformanceCompositeTiming::sourceFrame() const
+{
+    return m_sourceFrame;
+}
+
+void PerformanceCompositeTiming::trace(Visitor* visitor)
+{
+    visitor->trace(m_requestingDocument);
+    PerformanceEntry::trace(visitor);
 }
 
 } // namespace blink