Make ScriptLoader into a ResourceOwner

Source/core/xml/parser/XMLDocumentParser.cpp

Index: Source/core/xml/parser/XMLDocumentParser.cpp
diff --git a/Source/core/xml/parser/XMLDocumentParser.cpp b/Source/core/xml/parser/XMLDocumentParser.cpp
index 60b4d72e3c9f5527a56ed2246847956c2748d52b..535cefc90e7083f6f905545ba75faa40250234d7 100644
--- a/Source/core/xml/parser/XMLDocumentParser.cpp
+++ b/Source/core/xml/parser/XMLDocumentParser.cpp
@@ -1036,14 +1036,15 @@ void XMLDocumentParser::endElementNs()
     ASSERT(!m_pendingScript);
     m_requestingScript = true;
 
-    if (scriptLoader->prepareScript(m_scriptStartPosition, ScriptLoader::AllowLegacyTypeInTypeAttribute)) {
+    ResourcePtr<ScriptResource> resource;
+    if (scriptLoader->prepareScript(&resource, m_scriptStartPosition, ScriptLoader::AllowLegacyTypeInTypeAttribute)) {
         // FIXME: Script execution should be shared between
         // the libxml2 and Qt XMLDocumentParser implementations.
 
         if (scriptLoader->readyToBeParserExecuted()) {
             scriptLoader->executeScript(ScriptSourceCode(scriptLoader->scriptContent(), document()->url(), m_scriptStartPosition));
         } else if (scriptLoader->willBeParserExecuted()) {
-            m_pendingScript = scriptLoader->resource();
+            m_pendingScript = resource;
             m_scriptElement = element;
             m_pendingScript->addClient(this);