IWYU fixes for url/...

url/url_canon_etc.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.
 
 // Canonicalizers for random bits that aren't big enough for their own files.
 
-#include <string.h>
-
+#include "base/strings/string16.h"
+#include "url/third_party/mozilla/url_parse.h"
 #include "url/url_canon.h"
 #include "url/url_canon_internal.h"
 
 namespace url {
 
 namespace {
 
 // Returns true if the given character should be removed from the middle of a
 // URL.
 inline bool IsRemovableURLWhitespace(int ch) {
@@ skipping 339 matching lines @@
 }
 
 void CanonicalizeRef(const base::char16* spec,
                      const Component& ref,
                      CanonOutput* output,
                      Component* out_ref) {
   DoCanonicalizeRef<base::char16, base::char16>(spec, ref, output, out_ref);
 }
 
 }  // namespace url