Convert SetContentSettingRules to use mojo, part 2/2.

chrome/common/content_settings_pattern_serializer.h

-// Copyright (c) 2014 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 CHROME_COMMON_CONTENT_SETTINGS_PATTERN_SERIALIZER_H_
-#define CHROME_COMMON_CONTENT_SETTINGS_PATTERN_SERIALIZER_H_
-
-#include "base/macros.h"
-
-namespace base {
-class Pickle;
-class PickleIterator;
-class PickleSizer;
-}
-
-class ContentSettingsPattern;
-
-// TODO(nigeltao): delete this class, once content settings is Mojofied.
-class ContentSettingsPatternSerializer {
- public:
-  // Gets the serialized pattern's size.
-  static void GetSize(const ContentSettingsPattern& pattern,
-                      base::PickleSizer* s);
-
-  // Serializes the pattern to an IPC message.
-  static void WriteToMessage(const ContentSettingsPattern& pattern,
-                             base::Pickle* m);
-  // Deserializes the pattern from the IPC message.
-  static bool ReadFromMessage(const base::Pickle* m,
-                              base::PickleIterator* iter,
-                              ContentSettingsPattern* pattern);
-
- private:
-  DISALLOW_IMPLICIT_CONSTRUCTORS(ContentSettingsPatternSerializer);
-};
-
-#endif  // CHROME_COMMON_CONTENT_SETTINGS_PATTERN_SERIALIZER_H_