Revert of Move LatencyInfo to ui/latency_info

ui/latency_info/ipc/latency_info_param_traits.h

Index: ui/latency_info/ipc/latency_info_param_traits.h
diff --git a/ui/latency_info/ipc/latency_info_param_traits.h b/ui/latency_info/ipc/latency_info_param_traits.h
deleted file mode 100644
index 4bfdc6ef4e1b4fbc858a5e799f99b03476a1b256..0000000000000000000000000000000000000000
--- a/ui/latency_info/ipc/latency_info_param_traits.h
+++ /dev/null
@@ -1,23 +0,0 @@
-// 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 UI_LATENCY_INFO_IPC_LATENCY_INFO_PARAM_TRAITS_H_
-#define UI_LATENCY_INFO_IPC_LATENCY_INFO_PARAM_TRAITS_H_
-
-#include "ui/latency_info/ipc/latency_info_ipc_export.h"
-#include "ui/latency_info/latency_info.h"
-
-namespace IPC {
-template <>
-struct LATENCY_INFO_IPC_EXPORT ParamTraits<ui::LatencyInfo> {
-  typedef ui::LatencyInfo 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  // UI_LATENCY_INFO_IPC_LATENCY_INFO_PARAM_TRAITS_H_