Revert of IPC::ParamTraits for ui::Event (towards ui::Events over mojo IPC)

components/mus/common/event_param_traits.h

Index: components/mus/common/event_param_traits.h
diff --git a/components/mus/common/event_param_traits.h b/components/mus/common/event_param_traits.h
deleted file mode 100644
index 1f2bb94017385165bae16a9384063fbba427b946..0000000000000000000000000000000000000000
--- a/components/mus/common/event_param_traits.h
+++ /dev/null
@@ -1,94 +0,0 @@
-// 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 COMPONENTS_MUS_COMMON_EVENT_PARAM_TRAITS_H_
-#define COMPONENTS_MUS_COMMON_EVENT_PARAM_TRAITS_H_
-
-#include <string>
-
-#include "components/mus/common/event_param_traits_macros.h"
-#include "ui/events/event.h"
-#include "ui/events/gesture_event_details.h"
-
-namespace base {
-class Pickle;
-class PickleIterator;
-}
-
-namespace ui {
-class Event;
-}
-
-namespace IPC {
-
-// Non-serialized data:
-//
-// Some event data only makes sense and/or is needed in the context where the
-// raw event came from. As such, some data are explicitly NOT
-// serialized. These data are as follows:
-//   base::NativeEvent native_event_;
-//   LatencyInfo* latency_;
-//   int source_device_id_;
-
-template <>
-struct ParamTraits<ui::ScopedEvent> {
-  typedef ui::ScopedEvent param_type;
-  static void GetSize(base::PickleSizer* s, const param_type& p);
-  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);
-
-  static void SizeEvent(ui::EventType type,
-                        base::TimeDelta time_stamp,
-                        int flags,
-                        base::PickleSizer* s,
-                        const ui::ScopedEvent& p);
-  static void WriteEvent(ui::EventType type,
-                         base::TimeDelta time_stamp,
-                         int flags,
-                         base::Pickle* m,
-                         const ui::ScopedEvent& p);
-  static bool ReadEvent(ui::EventType type,
-                        base::TimeDelta time_stamp,
-                        int flags,
-                        const base::Pickle* m,
-                        base::PickleIterator* iter,
-                        ui::ScopedEvent* p);
-  static void LogEvent(ui::EventType type,
-                       base::TimeDelta time_stamp,
-                       int flags,
-                       const ui::ScopedEvent& p,
-                       std::string* l);
-};
-
-// Manually implements no-op implementation for ui::CancelModeEvent because IPC
-// BEGIN/END macros with no MEMBER or PARENT in between cause compiler
-// errors.
-template <>
-struct ParamTraits<ui::CancelModeEvent> {
-  typedef ui::CancelModeEvent param_type;
-  static void GetSize(base::PickleSizer* s, const param_type& p);
-  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);
-};
-
-template <>
-struct ParamTraits<ui::GestureEventDetails::Details> {
-  typedef ui::GestureEventDetails::Details param_type;
-  static void GetSize(base::PickleSizer* s, const param_type& p);
-  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  // COMPONENTS_MUS_COMMON_EVENT_PARAM_TRAITS_H_