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

Source/core/platform/text/DecodeEscapeSequences.h

Index: Source/core/platform/text/DecodeEscapeSequences.h
diff --git a/Source/core/platform/text/DecodeEscapeSequences.h b/Source/core/platform/text/DecodeEscapeSequences.h
index d809896ebdca14504994ed55f55beb0be81e3342..81b43e3c3887cf52758f839129c6990b0df8a978 100644
--- a/Source/core/platform/text/DecodeEscapeSequences.h
+++ b/Source/core/platform/text/DecodeEscapeSequences.h
@@ -130,7 +130,7 @@ String decodeEscapeSequences(const String& string, const WTF::TextEncoding& enco
     size_t decodedPosition = 0;
     size_t searchPosition = 0;
     size_t encodedRunPosition;
-    while ((encodedRunPosition = EscapeSequence::findInString(string, searchPosition)) != notFound) {
+    while ((encodedRunPosition = EscapeSequence::findInString(string, searchPosition)) != kNotFound) {
         size_t encodedRunEnd = EscapeSequence::findEndOfRun(string, encodedRunPosition, length);
         searchPosition = encodedRunEnd;
         if (encodedRunEnd == encodedRunPosition) {