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

Source/modules/filesystem/DOMFilePath.cpp

Index: Source/modules/filesystem/DOMFilePath.cpp
diff --git a/Source/modules/filesystem/DOMFilePath.cpp b/Source/modules/filesystem/DOMFilePath.cpp
index 9869ec01c34294eda53935857c7a95ffd83207ea..fd5b8077e2dcbbd04697b34c9d110943c6ca885e 100644
--- a/Source/modules/filesystem/DOMFilePath.cpp
+++ b/Source/modules/filesystem/DOMFilePath.cpp
@@ -117,11 +117,11 @@ bool DOMFilePath::isValidPath(const String& path)
         return true;
 
     // Embedded NULs are not allowed.
-    if (path.find(static_cast<UChar>(0)) != WTF::notFound)
+    if (path.find(static_cast<UChar>(0)) != WTF::kNotFound)
         return false;
 
     // While not [yet] restricted by the spec, '\\' complicates implementation for Chromium.
-    if (path.find('\\') != WTF::notFound)
+    if (path.find('\\') != WTF::kNotFound)
         return false;
 
     // This method is only called on fully-evaluated absolute paths. Any sign of ".." or "." is likely an attempt to break out of the sandbox.