Revert of Move LatencyInfo to ui/latency_info

ui/latency_info/ipc/BUILD.gn

Index: ui/latency_info/ipc/BUILD.gn
diff --git a/ui/latency_info/ipc/BUILD.gn b/ui/latency_info/ipc/BUILD.gn
deleted file mode 100644
index 411305da2e4be3ea62d9c409bb3f439691a2b0b3..0000000000000000000000000000000000000000
--- a/ui/latency_info/ipc/BUILD.gn
+++ /dev/null
@@ -1,24 +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.
-
-component("ipc") {
-  output_name = "latency_info_ipc"
-  sources = [
-    "latency_info_ipc_export.h",
-    "latency_info_param_traits.cc",
-    "latency_info_param_traits.h",
-    "latency_info_param_traits_macros.h",
-  ]
-
-  defines = [ "LATENCY_INFO_IPC_IMPLEMENTATION" ]
-
-  public_deps = [
-    "//ui/latency_info",
-  ]
-
-  deps = [
-    "//base",
-    "//ipc",
-  ]
-}