Convert Gamepad IPC messages into mojo interface.

content/common/gamepad_param_traits.h

-// Copyright 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 CONTENT_COMMON_GAMEPAD_PARAM_TRAITS_H_
-#define CONTENT_COMMON_GAMEPAD_PARAM_TRAITS_H_
-
-#include <string>
-
-#include "ipc/ipc_param_traits.h"
-
-namespace base {
-class Pickle;
-class PickleIterator;
-}
-
-namespace blink { class WebGamepad; }
-
-namespace IPC {
-
-template <>
-struct ParamTraits<blink::WebGamepad> {
-  typedef blink::WebGamepad param_type;
-  static void Write(base::Pickle* m, const blink::WebGamepad& p);
-  static bool Read(const base::Pickle* m,
-                   base::PickleIterator* iter,
-                   blink::WebGamepad* p);
-  static void Log(const blink::WebGamepad& p, std::string* l);
-};
-
-} // namespace IPC
-
-#endif  // CONTENT_COMMON_GAMEPAD_PARAM_TRAITS_H_