Revert of Mustash: Move GURL ParamTraits to url/ipc

url/ipc/url_param_traits.h

-// Copyright (c) 2016 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.
-
-#ifndef URL_IPC_URL_PARAM_TRAITS_H_
-#define URL_IPC_URL_PARAM_TRAITS_H_
-
-#include "ipc/ipc_message_utils.h"
-#include "url/gurl.h"
-#include "url/ipc/url_ipc_export.h"
-
-#ifndef URL_PARAM_TRAITS_FIX
-// #error yo
-#endif
-
-namespace IPC {
-
-template <>
-struct URL_IPC_EXPORT ParamTraits<GURL> {
-  typedef GURL param_type;
-  static void Write(base::Pickle* m, const param_type& p);
-  static bool Read(const base::Pickle* m,
-                   base::PickleIterator* iter,
-                   param_type* p);
-  static void Log(const param_type& p, std::string* l);
-};
-
-}  // namespace IPC
-
-#endif  // URL_IPC_URL_PARAM_TRAITS_H_