Make GestureTextSelector detect its own gestures

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")
 
 static_library("dom4_keycode_converter") {
   sources = [
     "keycodes/dom4/keycode_converter.cc",
     "keycodes/dom4/keycode_converter.h",
@@ skipping 153 matching lines @@
   if (is_win || is_mac || use_x11 || use_ozone) {
     sources -= [ "events_stub.cc" ]
   }
 }
 
 component("gesture_detection") {
   sources = [
     "gesture_detection/bitset_32.h",
     "gesture_detection/filtered_gesture_provider.cc",
     "gesture_detection/filtered_gesture_provider.h",
+    "gesture_detection/gesture_config_helper.h",
     "gesture_detection/gesture_detection_export.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_config_helper.h",
+    "gesture_detection/gesture_listeners.cc",
+    "gesture_detection/gesture_listeners.h",
     "gesture_detection/gesture_provider.cc",
     "gesture_detection/gesture_provider.h",
     "gesture_detection/gesture_touch_uma_histogram.cc",
     "gesture_detection/gesture_touch_uma_histogram.h",
     "gesture_detection/motion_event.cc",
     "gesture_detection/motion_event.h",
     "gesture_detection/motion_event_buffer.cc",
     "gesture_detection/motion_event_buffer.h",
     "gesture_detection/motion_event_generic.cc",
     "gesture_detection/motion_event_generic.h",
     "gesture_detection/scale_gesture_detector.cc",
     "gesture_detection/scale_gesture_detector.h",
+    "gesture_detection/scale_gesture_listeners.cc",
+    "gesture_detection/scale_gesture_listeners.h",
     "gesture_detection/snap_scroll_controller.cc",
     "gesture_detection/snap_scroll_controller.h",
     "gesture_detection/touch_disposition_gesture_filter.cc",
     "gesture_detection/touch_disposition_gesture_filter.h",
     "gesture_detection/velocity_tracker_state.cc",
     "gesture_detection/velocity_tracker_state.h",
     "gesture_detection/velocity_tracker.cc",
     "gesture_detection/velocity_tracker.h",
   ]
 
@@ skipping 113 matching lines @@
       "ozone/evdev/touch_event_converter_evdev_unittest.cc",
     ]
   }
 
   if (use_aura) {
     sources += [
       "gestures/gesture_provider_aura_unittest.cc",
     ]
   }
 }