Reduce unnecessary usage of TextCaseSensitivity::TextCaseInsensitive.

third_party/WebKit/Source/modules/filesystem/DOMFilePath.cpp

 /*
  * Copyright (C) 2010 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 53 matching lines @@
     return path.substring(0, index);
   return ".";
 }
 
 bool DOMFilePath::isParentOf(const String& parent, const String& mayBeChild) {
   ASSERT(DOMFilePath::isAbsolute(parent));
   ASSERT(DOMFilePath::isAbsolute(mayBeChild));
   if (parent == DOMFilePath::root && mayBeChild != DOMFilePath::root)
     return true;
   if (parent.length() >= mayBeChild.length() ||
-      !mayBeChild.startsWith(parent, TextCaseInsensitive))
+      !mayBeChild.startsWith(parent, TextCaseUnicodeInsensitive))
     return false;
   if (mayBeChild[parent.length()] != DOMFilePath::separator)
     return false;
   return true;
 }
 
 String DOMFilePath::removeExtraParentReferences(const String& path) {
   ASSERT(DOMFilePath::isAbsolute(path));
   Vector<String> components;
   Vector<String> canonicalized;
@@ skipping 47 matching lines @@
 bool DOMFilePath::isValidName(const String& name) {
   if (name.isEmpty())
     return true;
   // '/' is not allowed in name.
   if (name.contains('/'))
     return false;
   return isValidPath(name);
 }
 
 }  // namespace blink