IWYU fixes for url/...

url/url_canon_filesystemurl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Functions for canonicalizing "filesystem:file:" URLs.
 
+#include "base/strings/string16.h"
+#include "url/third_party/mozilla/url_parse.h"
 #include "url/url_canon.h"
 #include "url/url_canon_internal.h"
-#include "url/url_file.h"
-#include "url/url_parse_internal.h"
+#include "url/url_constants.h"
 #include "url/url_util.h"
 #include "url/url_util_internal.h"
 
 namespace url {
 
 namespace {
 
 // We use the URLComponentSource for the outer URL, as it can have replacements,
 // whereas the inner_url can't, so it uses spec.
 template<typename CHAR, typename UCHAR>
@@ skipping 99 matching lines @@
                           Parsed* new_parsed) {
   RawCanonOutput<1024> utf8;
   URLComponentSource<char> source(base);
   Parsed parsed(base_parsed);
   SetupUTF16OverrideComponents(base, replacements, &utf8, &source, &parsed);
   return DoCanonicalizeFileSystemURL<char, unsigned char>(
       base, source, parsed, charset_converter, output, new_parsed);
 }
 
 }  // namespace url