Track whether an element was inserted via document.write

third_party/WebKit/Source/core/svg/SVGScriptElement.cpp

Index: third_party/WebKit/Source/core/svg/SVGScriptElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGScriptElement.cpp b/third_party/WebKit/Source/core/svg/SVGScriptElement.cpp
index d80afb1f010b5144c3c258d3911815ac95e267e6..ee874809c3875762bd038ff1a16bc41d75edc53a 100644
--- a/third_party/WebKit/Source/core/svg/SVGScriptElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGScriptElement.cpp
@@ -23,22 +23,21 @@
 #include "bindings/core/v8/ScriptEventListener.h"
 #include "core/HTMLNames.h"
 #include "core/dom/Attribute.h"
-#include "core/dom/ScriptLoader.h"
 #include "core/dom/ScriptRunner.h"
 #include "core/events/Event.h"
 
 namespace blink {
 
-inline SVGScriptElement::SVGScriptElement(Document& document, bool wasInsertedByParser, bool alreadyStarted)
+inline SVGScriptElement::SVGScriptElement(Document& document, int constructionContextFlags)
     : SVGElement(SVGNames::scriptTag, document)
     , SVGURIReference(this)
-    , m_loader(ScriptLoader::create(this, wasInsertedByParser, alreadyStarted))
+    , m_loader(ScriptLoader::create(this, constructionContextFlags))
 {
 }
 
-SVGScriptElement* SVGScriptElement::create(Document& document, bool insertedByParser)
+SVGScriptElement* SVGScriptElement::create(Document& document, int constructionContextFlags)
 {
-    return new SVGScriptElement(document, insertedByParser, false);
+    return new SVGScriptElement(document, constructionContextFlags);
 }
 
 void SVGScriptElement::parseAttribute(const QualifiedName& name, const AtomicString& oldValue, const AtomicString& value)
@@ -149,7 +148,8 @@ bool SVGScriptElement::hasSourceAttribute() const
 
 RawPtr<Element> SVGScriptElement::cloneElementWithoutAttributesAndChildren()
 {
-    return new SVGScriptElement(document(), false, m_loader->alreadyStarted());
+    int constructionContextFlags = m_loader->alreadyStarted() ? AlreadyStarted : DefaultContext;
+    return new SVGScriptElement(document(), constructionContextFlags);
 }
 
 void SVGScriptElement::dispatchLoadEvent()