Add full touch support to mus.

services/ui/service.cc

Index: services/ui/service.cc
diff --git a/services/ui/service.cc b/services/ui/service.cc
index 2e7f078a666ad39ec00786d774b76ec8cf3308e6..2e789c8993b200daa95639205ac51ec0ed0c29a5 100644
--- a/services/ui/service.cc
+++ b/services/ui/service.cc
@@ -191,12 +191,6 @@ void Service::OnStart() {
   // Gpu must be running before the ScreenManager can be initialized.
   window_server_.reset(new ws::WindowServer(this));
 
-  // DeviceDataManager must be initialized before TouchController. On non-Linux
-  // platforms there is no DeviceDataManager so don't create touch controller.
-  if (ui::DeviceDataManager::HasInstance())
-    touch_controller_.reset(
-        new ws::TouchController(window_server_->display_manager()));
-
   ime_server_.Init(context()->connector(), test_config_);
 
   discardable_shared_memory_manager_ =
@@ -263,11 +257,6 @@ bool Service::IsTestConfig() const {
   return test_config_;
 }
 
-void Service::UpdateTouchTransforms() {
-  if (touch_controller_)
-    touch_controller_->UpdateTouchTransforms();
-}
-
 void Service::Create(const service_manager::Identity& remote_identity,
                      mojom::AccessibilityManagerRequest request) {
   UserState* user_state = GetUserState(remote_identity);