Move LatencyInfo to ui/latency_info

ui/latency_info/ipc/BUILD.gn

 # 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"
+  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 = [ "EVENTS_IPC_IMPLEMENTATION" ]
+  defines = [ "LATENCY_INFO_IPC_IMPLEMENTATION" ]
+
+  public_deps = [
+    "//ui/latency_info",
+  ]
 
   deps = [
     "//base",
     "//ipc",
-    "//ui/events:events_base",
   ]
 }