WTF::notFound looks too much like a local variable.

Source/core/html/MediaFragmentURIParser.cpp

 /*
  * Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 94 matching lines @@
     unsigned offset = 0;
     unsigned end = fragmentString.length();
     while (offset < end) {
         // http://www.w3.org/2008/WebVideo/Fragments/WD-media-fragments-spec/#processing-name-value-components
         // 1. Parse the octet string according to the namevalues syntax, yielding a list of
         //    name-value pairs, where name and value are both octet string. In accordance
         //    with RFC 3986, the name and value components must be parsed and separated before
         //    percent-encoded octets are decoded.
         size_t parameterStart = offset;
         size_t parameterEnd = fragmentString.find('&', offset);
-        if (parameterEnd == notFound)
+        if (parameterEnd == kNotFound)
             parameterEnd = end;
 
         size_t equalOffset = fragmentString.find('=', offset);
-        if (equalOffset == notFound || equalOffset > parameterEnd) {
+        if (equalOffset == kNotFound || equalOffset > parameterEnd) {
             offset = parameterEnd + 1;
             continue;
         }
 
         // 2. For each name-value pair:
         //  a. Decode percent-encoded octets in name and value as defined by RFC 3986. If either
         //     name or value are not valid percent-encoded strings, then remove the name-value pair
         //     from the list.
         String name = decodeURLEscapeSequences(fragmentString.substring(parameterStart, equalOffset - parameterStart));
         String value;
@@ skipping 180 matching lines @@
     }
 
     if (offset < length && timeString[offset] == '.')
         fraction = collectFraction(timeString, length, offset).toDouble();
 
     time = (value1 * secondsPerHour) + (value2 * secondsPerMinute) + value3 + fraction;
     return true;
 }
 
 }