Postpone rail application for touch scrolling - chrome side.

ui/events/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")
 import("//testing/test.gni")
 
 static_library("dom4_keycode_converter") {
   sources = [
     "keycodes/dom3/dom_code.h",
@@ skipping 154 matching lines @@
 }
 
 component("gesture_detection") {
   sources = [
     "gesture_detection/bitset_32.h",
     "gesture_detection/filtered_gesture_provider.cc",
     "gesture_detection/filtered_gesture_provider.h",
     "gesture_detection/gesture_configuration.cc",
     "gesture_detection/gesture_configuration.h",
     "gesture_detection/gesture_detection_export.h",
+    "gesture_detection/gesture_detection_switches.cc",
+    "gesture_detection/gesture_detection_switches.h",
     "gesture_detection/gesture_detector.cc",
     "gesture_detection/gesture_detector.h",
     "gesture_detection/gesture_event_data.cc",
     "gesture_detection/gesture_event_data.h",
     "gesture_detection/gesture_event_data_packet.cc",
     "gesture_detection/gesture_event_data_packet.h",
     "gesture_detection/gesture_listeners.cc",
     "gesture_detection/gesture_listeners.h",
     "gesture_detection/gesture_provider.cc",
     "gesture_detection/gesture_provider.h",
@@ skipping 171 matching lines @@
 if (is_nacl) {
   source_set("latency_info") {
     sources = [
       "ipc/latency_info_param_traits.cc",
       "ipc/latency_info_param_traits.h",
       "latency_info.cc",
       "latency_info.h",
     ]
   }
 }