Tried using CrossThreadPersistent for workerDebuggerAgents

Source/core/inspector/InspectorStyleSheet.cpp

Index: Source/core/inspector/InspectorStyleSheet.cpp
diff --git a/Source/core/inspector/InspectorStyleSheet.cpp b/Source/core/inspector/InspectorStyleSheet.cpp
index b7c03a554331e9384fa0642aa700b1283d267ef0..c04523071247a782547821b14c0d4d99cb495c99 100644
--- a/Source/core/inspector/InspectorStyleSheet.cpp
+++ b/Source/core/inspector/InspectorStyleSheet.cpp
@@ -945,9 +945,9 @@ bool InspectorStyleSheetBase::findPropertyByRange(const SourceRange& sourceRange
     return false;
 }
 
-PassRefPtr<InspectorStyleSheet> InspectorStyleSheet::create(InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent, const String& id, PassRefPtrWillBeRawPtr<CSSStyleSheet> pageStyleSheet, TypeBuilder::CSS::StyleSheetOrigin::Enum origin, const String& documentURL, Listener* listener)
+PassRefPtrWillBeRawPtr<InspectorStyleSheet> InspectorStyleSheet::create(InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent, const String& id, PassRefPtrWillBeRawPtr<CSSStyleSheet> pageStyleSheet, TypeBuilder::CSS::StyleSheetOrigin::Enum origin, const String& documentURL, Listener* listener)
 {
-    return adoptRef(new InspectorStyleSheet(pageAgent, resourceAgent, id, pageStyleSheet, origin, documentURL, listener));
+    return adoptRefWillBeNoop(new InspectorStyleSheet(pageAgent, resourceAgent, id, pageStyleSheet, origin, documentURL, listener));
 }
 
 InspectorStyleSheet::InspectorStyleSheet(InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent, const String& id, PassRefPtrWillBeRawPtr<CSSStyleSheet> pageStyleSheet, TypeBuilder::CSS::StyleSheetOrigin::Enum origin, const String& documentURL, Listener* listener)
@@ -965,6 +965,15 @@ InspectorStyleSheet::~InspectorStyleSheet()
 {
 }
 
+void InspectorStyleSheet::trace(Visitor* visitor)
+{
+    visitor->trace(m_pageAgent);
+    visitor->trace(m_resourceAgent);
+    visitor->trace(m_pageStyleSheet);
+    visitor->trace(m_flatRules);
+    InspectorStyleSheetBase::trace(visitor);
+}
+
 static String styleSheetURL(CSSStyleSheet* pageStyleSheet)
 {
     if (pageStyleSheet && !pageStyleSheet->contents()->baseURL().isEmpty())
@@ -1541,9 +1550,9 @@ bool InspectorStyleSheet::inlineStyleSheetText(String* result) const
     return true;
 }
 
-PassRefPtr<InspectorStyleSheetForInlineStyle> InspectorStyleSheetForInlineStyle::create(const String& id, PassRefPtr<Element> element, Listener* listener)
+PassRefPtrWillBeRawPtr<InspectorStyleSheetForInlineStyle> InspectorStyleSheetForInlineStyle::create(const String& id, PassRefPtr<Element> element, Listener* listener)
 {
-    return adoptRef(new InspectorStyleSheetForInlineStyle(id, element, listener));
+    return adoptRefWillBeNoop(new InspectorStyleSheetForInlineStyle(id, element, listener));
 }
 
 InspectorStyleSheetForInlineStyle::InspectorStyleSheetForInlineStyle(const String& id, PassRefPtr<Element> element, Listener* listener)
@@ -1670,5 +1679,11 @@ PassRefPtrWillBeRawPtr<CSSRuleSourceData> InspectorStyleSheetForInlineStyle::get
     return ruleSourceDataResult.first().release();
 }
 
+void InspectorStyleSheetForInlineStyle::trace(Visitor* visitor)
+{
+    visitor->trace(m_ruleSourceData);
+    InspectorStyleSheetBase::trace(visitor);
+}
+
 } // namespace WebCore