Reduce method names converted to upper case via uppercaseKnownHTTPMethod()

Source/core/xml/XMLHttpRequest.cpp

 /*
  *  Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved.
  *  Copyright (C) 2005-2007 Alexey Proskuryakov <ap@webkit.org>
  *  Copyright (C) 2007, 2008 Julien Chaffraix <jchaffraix@webkit.org>
  *  Copyright (C) 2008, 2011 Google Inc. All rights reserved.
  *  Copyright (C) 2012 Intel Corporation
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
@@ skipping 470 matching lines @@
 
 bool XMLHttpRequest::isAllowedHTTPMethod(const String& method)
 {
     return !equalIgnoringCase(method, "TRACE")
         && !equalIgnoringCase(method, "TRACK")
         && !equalIgnoringCase(method, "CONNECT");
 }
 
 AtomicString XMLHttpRequest::uppercaseKnownHTTPMethod(const AtomicString& method)
 {
+    // http://xhr.spec.whatwg.org/#dom-xmlhttprequest-open
+    // If method is a case-insensitive match for `DELETE`, `GET`, `HEAD`, `OPTIONS`, `POST`, or
+    // `PUT`, subtract 0x20 from each byte in the range 0x61 (ASCII a) to 0x7A (ASCII z).
+    //
+    // If it does not match any of the above, it is passed through literally, including in the final
+    // request.
     const char* const methods[] = {
-        "COPY",
         "DELETE",
         "GET",
         "HEAD",
-        "INDEX",
-        "LOCK",
-        "M-POST",
-        "MKCOL",
-        "MOVE",
         "OPTIONS",
         "POST",
-        "PROPFIND",
-        "PROPPATCH",
-        "PUT",
-        "UNLOCK" };
+        "PUT"
+    };
     for (unsigned i = 0; i < WTF_ARRAY_LENGTH(methods); ++i) {
         if (equalIgnoringCase(method, methods[i])) {
             // Don't bother allocating a new string if it's already all uppercase.
             if (method == methods[i])
                 return method;
             return methods[i];
         }
     }
     return method;
 }
@@ skipping 897 matching lines @@
 }
 
 void XMLHttpRequest::trace(Visitor* visitor)
 {
     visitor->trace(m_responseBlob);
     visitor->trace(m_responseStream);
     visitor->trace(m_progressEventThrottle);
 }
 
 } // namespace WebCore