IWYU fixes for url/...

url/url_canon_internal.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.
 
 #include "url/url_canon_internal.h"
 
 #include <errno.h>
 #include <stddef.h>
-#include <stdlib.h>
-
 #include <cstdio>
-#include <string>
 
 #include "base/strings/utf_string_conversion_utils.h"
+#include "url/third_party/mozilla/url_parse.h"
 
 namespace url {
 
 namespace {
 
 template<typename CHAR, typename UCHAR>
 void DoAppendStringOfType(const CHAR* source, int length,
                           SharedCharTypes type,
                           CanonOutput* output) {
   for (int i = 0; i < length; i++) {
@@ skipping 399 matching lines @@
   for (int i = 0; i < written; ++i) {
     buffer[i] = static_cast<base::char16>(temp[i]);
   }
   buffer[written] = '\0';
   return 0;
 }
 
 #endif  // !WIN32
 
 }  // namespace url