Begin tracking why layout is invalidated

Source/core/layout/LayoutListMarker.cpp

Index: Source/core/layout/LayoutListMarker.cpp
diff --git a/Source/core/layout/LayoutListMarker.cpp b/Source/core/layout/LayoutListMarker.cpp
index 9a31487dd122f0a6a4821837e0d36f84b8475228..2400c7da6cfcd0d66ad7d8849946025897acec42 100644
--- a/Source/core/layout/LayoutListMarker.cpp
+++ b/Source/core/layout/LayoutListMarker.cpp
@@ -1078,7 +1078,7 @@ LayoutListMarker* LayoutListMarker::createAnonymous(LayoutListItem* item)
 void LayoutListMarker::styleWillChange(StyleDifference diff, const LayoutStyle& newStyle)
 {
     if (style() && (newStyle.listStylePosition() != style()->listStylePosition() || newStyle.listStyleType() != style()->listStyleType()))
-        setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation();
+        setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation(LayoutInvalidationReason::StyleChange);
 
     LayoutBox::styleWillChange(diff, newStyle);
 }
@@ -1158,7 +1158,7 @@ void LayoutListMarker::imageChanged(WrappedImagePtr o, const IntRect*)
         return;
 
     if (size() != m_image->imageSize(this, style()->effectiveZoom()) || m_image->errorOccurred())
-        setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation();
+        setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation(LayoutInvalidationReason::ImageChanged);
     else
         setShouldDoFullPaintInvalidation();
 }