Track reasons for |Node::SetNeedsStyleRecalc|

Source/core/html/HTMLInputElement.cpp

Index: Source/core/html/HTMLInputElement.cpp
diff --git a/Source/core/html/HTMLInputElement.cpp b/Source/core/html/HTMLInputElement.cpp
index a58c934315e1f94fc9aa80715d0cf97c9c29e04f..0af0ff538fcc4b4b038a2b948e4d71a6ed75f9bb 100644
--- a/Source/core/html/HTMLInputElement.cpp
+++ b/Source/core/html/HTMLInputElement.cpp
@@ -655,7 +655,7 @@ void HTMLInputElement::parseAttribute(const QualifiedName& name, const AtomicStr
         // We only need to setChanged if the form is looking at the default value right now.
         if (!hasDirtyValue()) {
             updatePlaceholderVisibility(false);
-            setNeedsStyleRecalc(SubtreeStyleChange);
+            setNeedsStyleRecalc(StyleChangeReasonForTracing::fromAttribute(valueAttr), SubtreeStyleChange);
         }
         m_needsToUpdateViewValue = true;
         setNeedsValidityCheck();
@@ -695,10 +695,10 @@ void HTMLInputElement::parseAttribute(const QualifiedName& name, const AtomicStr
         // time to relayout for this change.
         if (m_maxResults != oldResults && (m_maxResults <= 0 || oldResults <= 0))
             lazyReattachIfAttached();
-        setNeedsStyleRecalc(SubtreeStyleChange);
+        setNeedsStyleRecalc(StyleChangeReasonForTracing::fromAttribute(resultsAttr), SubtreeStyleChange);
         UseCounter::count(document(), UseCounter::ResultsAttribute);
     } else if (name == incrementalAttr) {
-        setNeedsStyleRecalc(SubtreeStyleChange);
+        setNeedsStyleRecalc(StyleChangeReasonForTracing::fromAttribute(incrementalAttr), SubtreeStyleChange);
         UseCounter::count(document(), UseCounter::IncrementalAttribute);
     } else if (name == minAttr) {
         m_inputTypeView->minOrMaxAttributeChanged();
@@ -843,10 +843,11 @@ void HTMLInputElement::setChecked(bool nowChecked, TextFieldEventBehavior eventB
     if (checked() == nowChecked)
         return;
 
+    const StyleChangeReasonForTracing styleChangeReason = StyleChangeReasonForTracing::createWithExtraData(StyleChangeReason::PseudoClass, StyleChangeExtraData::Checked);
     RefPtrWillBeRawPtr<HTMLInputElement> protector(this);
     m_reflectsCheckedAttribute = false;
     m_isChecked = nowChecked;
-    setNeedsStyleRecalc(SubtreeStyleChange);
+    setNeedsStyleRecalc(styleChangeReason, SubtreeStyleChange);
 
     if (RadioButtonGroupScope* scope = radioButtonGroupScope())
         scope->updateCheckedState(this);
@@ -875,7 +876,7 @@ void HTMLInputElement::setChecked(bool nowChecked, TextFieldEventBehavior eventB
         dispatchFormControlChangeEvent();
     }
 
-    didAffectSelector(AffectedSelectorChecked);
+    didAffectSelector(styleChangeReason, AffectedSelectorChecked);
 }
 
 void HTMLInputElement::setIndeterminate(bool newValue)
@@ -885,7 +886,7 @@ void HTMLInputElement::setIndeterminate(bool newValue)
 
     m_isIndeterminate = newValue;
 
-    didAffectSelector(AffectedSelectorIndeterminate);
+    didAffectSelector(StyleChangeReasonForTracing::createWithExtraData(StyleChangeReason::PseudoClass, StyleChangeExtraData::Indeterminate), AffectedSelectorIndeterminate);
 
     if (renderer() && renderer()->style()->hasAppearance())
         RenderTheme::theme().stateChanged(renderer(), CheckedControlState);
@@ -960,7 +961,7 @@ void HTMLInputElement::setSuggestedValue(const String& value)
         return;
     m_needsToUpdateViewValue = true;
     m_suggestedValue = sanitizeValue(value);
-    setNeedsStyleRecalc(SubtreeStyleChange);
+    setNeedsStyleRecalc(StyleChangeReasonForTracing::create(StyleChangeReason::ControlValue), SubtreeStyleChange);
     m_inputTypeView->updateView();
 }
 
@@ -1590,7 +1591,7 @@ void HTMLInputElement::parseMaxLengthAttribute(const AtomicString& value)
     m_maxLength = maxLength;
     if (oldMaxLength != maxLength)
         updateValueIfNeeded();
-    setNeedsStyleRecalc(SubtreeStyleChange);
+    setNeedsStyleRecalc(StyleChangeReasonForTracing::fromAttribute(maxlengthAttr), SubtreeStyleChange);
     setNeedsValidityCheck();
 }