Transfer pending async script loader to new document.

Source/core/svg/SVGScriptElement.cpp

Index: Source/core/svg/SVGScriptElement.cpp
diff --git a/Source/core/svg/SVGScriptElement.cpp b/Source/core/svg/SVGScriptElement.cpp
index a9508b0147234746f1f452008b3c90c4dc792a6f..aed347235f0873f06885603424445d49e6afde42 100644
--- a/Source/core/svg/SVGScriptElement.cpp
+++ b/Source/core/svg/SVGScriptElement.cpp
@@ -27,6 +27,7 @@
 #include "core/XLinkNames.h"
 #include "core/dom/Attribute.h"
 #include "core/dom/ScriptLoader.h"
+#include "core/dom/ScriptRunner.h"
 #include "core/events/Event.h"
 
 namespace blink {
@@ -123,6 +124,12 @@ void SVGScriptElement::childrenChanged(const ChildrenChange& change)
     m_loader->childrenChanged();
 }
 
+void SVGScriptElement::didMoveToNewDocument(Document& oldDocument)
+{
+    oldDocument.scriptRunner()->movePendingAsyncScript(document().scriptRunner(), m_loader.get());
+    SVGElement::didMoveToNewDocument(oldDocument);
+}
+
 bool SVGScriptElement::isURLAttribute(const Attribute& attribute) const
 {
     return attribute.name() == AtomicString(sourceAttributeValue());