Track reasons for |Node::SetNeedsStyleRecalc|

Source/core/html/HTMLFormControlElement.cpp

Index: Source/core/html/HTMLFormControlElement.cpp
diff --git a/Source/core/html/HTMLFormControlElement.cpp b/Source/core/html/HTMLFormControlElement.cpp
index e445b428ce2ed0c29887428196476e97e500e469..66d9fe15c0040733dfe7faf74b561fbd8a489ac1 100644
--- a/Source/core/html/HTMLFormControlElement.cpp
+++ b/Source/core/html/HTMLFormControlElement.cpp
@@ -152,7 +152,7 @@ void HTMLFormControlElement::parseAttribute(const QualifiedName& name, const Ato
         m_isReadOnly = !value.isNull();
         if (wasReadOnly != m_isReadOnly) {
             setNeedsWillValidateCheck();
-            setNeedsStyleRecalc(SubtreeStyleChange);
+            setNeedsStyleRecalc(StyleChangeReasonForTracing::fromAttribute(name), SubtreeStyleChange);
             if (renderer() && renderer()->style()->hasAppearance())
                 RenderTheme::theme().stateChanged(renderer(), ReadOnlyControlState);
         }
@@ -172,7 +172,7 @@ void HTMLFormControlElement::parseAttribute(const QualifiedName& name, const Ato
 void HTMLFormControlElement::disabledAttributeChanged()
 {
     setNeedsWillValidateCheck();
-    didAffectSelector(AffectedSelectorDisabled | AffectedSelectorEnabled);
+    didAffectSelector(StyleChangeReasonForTracing::createWithExtraData(StyleChangeReason::PseudoClass, StyleChangeExtraData::Disabled), AffectedSelectorDisabled | AffectedSelectorEnabled);
     if (renderer() && renderer()->style()->hasAppearance())
         RenderTheme::theme().stateChanged(renderer(), EnabledControlState);
     if (isDisabledFormControl() && treeScope().adjustedFocusedElement() == this) {
@@ -187,7 +187,7 @@ void HTMLFormControlElement::requiredAttributeChanged()
     setNeedsValidityCheck();
     // Style recalculation is needed because style selectors may include
     // :required and :optional pseudo-classes.
-    setNeedsStyleRecalc(SubtreeStyleChange);
+    setNeedsStyleRecalc(StyleChangeReasonForTracing::fromAttribute(requiredAttr), SubtreeStyleChange);
 }
 
 bool HTMLFormControlElement::supportsAutofocus() const
@@ -206,7 +206,7 @@ void HTMLFormControlElement::setAutofilled(bool autofilled)
         return;
 
     m_isAutofilled = autofilled;
-    setNeedsStyleRecalc(SubtreeStyleChange);
+    setNeedsStyleRecalc(StyleChangeReasonForTracing::create(StyleChangeReason::ControlValue), SubtreeStyleChange);
 }
 
 static bool shouldAutofocusOnAttach(const HTMLFormControlElement* element)
@@ -402,7 +402,7 @@ void HTMLFormControlElement::setNeedsWillValidateCheck()
     m_willValidateInitialized = true;
     m_willValidate = newWillValidate;
     setNeedsValidityCheck();
-    setNeedsStyleRecalc(SubtreeStyleChange);
+    setNeedsStyleRecalc(StyleChangeReasonForTracing::create(StyleChangeReason::Validate), SubtreeStyleChange);
     if (!m_willValidate)
         hideVisibleValidationMessage();
 }
@@ -497,7 +497,7 @@ void HTMLFormControlElement::setNeedsValidityCheck()
 {
     if (!m_validityIsDirty && willValidate()) {
         // Update style for pseudo classes such as :valid :invalid.
-        setNeedsStyleRecalc(SubtreeStyleChange);
+        setNeedsStyleRecalc(StyleChangeReasonForTracing::create(StyleChangeReason::Validate), SubtreeStyleChange);
         m_validityIsDirty = true;
     }