MIME type predicates and case-insensitive matching.

Source/core/dom/DOMImplementation.h

Index: Source/core/dom/DOMImplementation.h
diff --git a/Source/core/dom/DOMImplementation.h b/Source/core/dom/DOMImplementation.h
index d0e84d904831489d339425968a6f67836d7c1a65..9f20a55e157d1ac500e4dbe574f107316f5bee1e 100644
--- a/Source/core/dom/DOMImplementation.h
+++ b/Source/core/dom/DOMImplementation.h
@@ -62,12 +62,12 @@ public:
     PassRefPtr<HTMLDocument> createHTMLDocument(const String& title);
 
     // Other methods (not part of DOM)
-    static PassRefPtr<Document> createDocument(const String& MIMEType, Frame*, const KURL&, bool inViewSourceMode);
-    static PassRefPtr<Document> createDocument(const String& type, const DocumentInit&, bool inViewSourceMode);
+    static PassRefPtr<Document> createDocument(const String& mimeType, Frame*, const KURL&, bool inViewSourceMode);
+    static PassRefPtr<Document> createDocument(const String& mimeType, const DocumentInit&, bool inViewSourceMode);
 
-    static bool isXMLMIMEType(const String& MIMEType);
-    static bool isTextMIMEType(const String& MIMEType);
-    static bool isJSONMIMEType(const String& MIMEType);
+    static bool isXMLMIMEType(const String&);
+    static bool isTextMIMEType(const String&);
+    static bool isJSONMIMEType(const String&);
 
 private:
     explicit DOMImplementation(Document&);