Track reasons for |Node::SetNeedsStyleRecalc|

Source/core/html/HTMLElement.cpp

Index: Source/core/html/HTMLElement.cpp
diff --git a/Source/core/html/HTMLElement.cpp b/Source/core/html/HTMLElement.cpp
index 2ae40944acbf5638ef602b02fe2ac16754ac0e08..01735f5ad9f27253a0b8eb32f930d1147e70a760 100644
--- a/Source/core/html/HTMLElement.cpp
+++ b/Source/core/html/HTMLElement.cpp
@@ -750,7 +750,7 @@ void HTMLElement::adjustDirectionalityIfNeededAfterChildAttributeChanged(Element
         Element* elementToAdjust = this;
         for (; elementToAdjust; elementToAdjust = elementToAdjust->parentElement()) {
             if (elementAffectsDirectionality(elementToAdjust)) {
-                elementToAdjust->setNeedsStyleRecalc(SubtreeStyleChange);
+                elementToAdjust->setNeedsStyleRecalc(StyleRecalcDueToWritingModeChange, SubtreeStyleChange);
                 return;
             }
         }
@@ -765,7 +765,7 @@ void HTMLElement::calculateAndAdjustDirectionality()
     for (ShadowRoot* root = youngestShadowRoot(); root; root = root->olderShadowRoot())
         setHasDirAutoFlagRecursively(root, hasDirectionAuto());
     if (renderer() && renderer()->style() && renderer()->style()->direction() != textDirection)
-        setNeedsStyleRecalc(SubtreeStyleChange);
+        setNeedsStyleRecalc(StyleRecalcDueToWritingModeChange, SubtreeStyleChange);
 }
 
 void HTMLElement::adjustDirectionalityIfNeededAfterChildrenChanged(const ChildrenChange& change)