Revert of Move LatencyInfo to ui/latency_info

ui/events/ipc/BUILD.gn

Index: ui/events/ipc/BUILD.gn
diff --git a/ui/events/ipc/BUILD.gn b/ui/events/ipc/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..b6ccbf51d5fc10800fd1071f3608b8192fed1df9
--- /dev/null
+++ b/ui/events/ipc/BUILD.gn
@@ -0,0 +1,22 @@
+# 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.
+
+import("//build/config/ui.gni")
+
+component("ipc") {
+  output_name = "events_ipc"
+  sources = [
+    "latency_info_param_traits.cc",
+    "latency_info_param_traits.h",
+    "latency_info_param_traits_macros.h",
+  ]
+
+  defines = [ "EVENTS_IPC_IMPLEMENTATION" ]
+
+  deps = [
+    "//base",
+    "//ipc",
+    "//ui/events:events_base",
+  ]
+}