chromeos: moves setting of touch state to a separate class

ui/display/manager/chromeos/DEPS

Index: ui/display/manager/chromeos/DEPS
diff --git a/ui/display/manager/chromeos/DEPS b/ui/display/manager/chromeos/DEPS
index 5c9fff4774db7fec3fa7340f3859bdd78b6be3f4..5943a4fe475b15187864ba014de00db34f0bdb86 100644
--- a/ui/display/manager/chromeos/DEPS
+++ b/ui/display/manager/chromeos/DEPS
@@ -1,5 +1,19 @@
+include_rules = [
+  # DeviceDataManager is not created in all environments (such as ash when
+  # running in mus/mash).
+  "-ui/events/devices/device_data_manager.h",
+]
+
 specific_include_rules = {
+  "default_touch_transform_setter.cc": [
+    # DefaultTouchTransformSetter only runs in environments where
+    # DeviceDataManager exists.
+    "+ui/events/devices/device_data_manager.h",
+  ],
   "touch_transform_controller.cc": [
     "+third_party/skia",
   ],
+  "touch_transform_controller_unittest.cc": [
+    "+ui/events/devices/device_data_manager.h",
+  ],
 }