Track reasons for |Node::SetNeedsStyleRecalc|

Source/core/inspector/InspectorCSSAgent.cpp

 /*
  * Copyright (C) 2010, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 965 matching lines @@
     NodeIdToForcedPseudoState::iterator it = m_nodeIdToForcedPseudoState.find(nodeId);
     unsigned currentForcedPseudoState = it == m_nodeIdToForcedPseudoState.end() ? 0 : it->value;
     bool needStyleRecalc = forcedPseudoState != currentForcedPseudoState;
     if (!needStyleRecalc)
         return;
 
     if (forcedPseudoState)
         m_nodeIdToForcedPseudoState.set(nodeId, forcedPseudoState);
     else
         m_nodeIdToForcedPseudoState.remove(nodeId);
-    element->ownerDocument()->setNeedsStyleRecalc(SubtreeStyleChange);
+    element->ownerDocument()->setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::Inspector));
 }
 
 PassRefPtr<TypeBuilder::CSS::CSSMedia> InspectorCSSAgent::buildMediaObject(const MediaList* media, MediaListSource mediaListSource, const String& sourceURL, CSSStyleSheet* parentStyleSheet)
 {
     // Make certain compilers happy by initializing |source| up-front.
     TypeBuilder::CSS::CSSMedia::Source::Enum source = TypeBuilder::CSS::CSSMedia::Source::InlineSheet;
     switch (mediaListSource) {
     case MediaListSourceMediaRule:
         source = TypeBuilder::CSS::CSSMedia::Source::MediaRule;
         break;
@@ skipping 447 matching lines @@
 {
     WillBeHeapHashSet<RawPtrWillBeMember<Document> > documentsToChange;
     for (NodeIdToForcedPseudoState::iterator it = m_nodeIdToForcedPseudoState.begin(), end = m_nodeIdToForcedPseudoState.end(); it != end; ++it) {
         Element* element = toElement(m_domAgent->nodeForId(it->key));
         if (element && element->ownerDocument())
             documentsToChange.add(element->ownerDocument());
     }
 
     m_nodeIdToForcedPseudoState.clear();
     for (WillBeHeapHashSet<RawPtrWillBeMember<Document> >::iterator it = documentsToChange.begin(), end = documentsToChange.end(); it != end; ++it)
-        (*it)->setNeedsStyleRecalc(SubtreeStyleChange);
+        (*it)->setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::Inspector));
 }
 
 void InspectorCSSAgent::trace(Visitor* visitor)
 {
     visitor->trace(m_domAgent);
     visitor->trace(m_pageAgent);
     visitor->trace(m_resourceAgent);
 #if ENABLE(OILPAN)
     visitor->trace(m_idToInspectorStyleSheet);
     visitor->trace(m_idToInspectorStyleSheetForInlineStyle);
     visitor->trace(m_cssStyleSheetToInspectorStyleSheet);
     visitor->trace(m_documentToCSSStyleSheets);
     visitor->trace(m_invalidatedDocuments);
     visitor->trace(m_nodeToInspectorStyleSheet);
     visitor->trace(m_documentToViaInspectorStyleSheet);
 #endif
     visitor->trace(m_inspectorUserAgentStyleSheet);
     InspectorBaseAgent::trace(visitor);
 }
 
 } // namespace blink