Merge 96999 - Make isXMLMIMEType regex use TLS

Source/WebCore/dom/DOMImplementation.h

Index: Source/WebCore/dom/DOMImplementation.h
===================================================================
--- Source/WebCore/dom/DOMImplementation.h	(revision 97019)
+++ Source/WebCore/dom/DOMImplementation.h	(working copy)
@@ -37,6 +37,7 @@
 class Frame;
 class HTMLDocument;
 class KURL;
+class RegularExpression;
 
 typedef int ExceptionCode;
 
@@ -73,6 +74,18 @@
     Document* m_document;
 };
 
+class XMLMIMETypeRegExp {
+public:
+    XMLMIMETypeRegExp();
+    ~XMLMIMETypeRegExp();
+    bool isXMLMIMEType(const String& mimeType);
+
+    WTF_MAKE_NONCOPYABLE(XMLMIMETypeRegExp);
+private:
+    OwnPtr<RegularExpression> m_regex;
+};
+
+
 } // namespace WebCore
 
 #endif