Revert of chromeos: adds TouchDeviceServer and wires up in mushrome

services/ui/input_devices/input_device_server.h

Index: services/ui/input_devices/input_device_server.h
diff --git a/services/ui/input_devices/input_device_server.h b/services/ui/input_devices/input_device_server.h
index c64bda2e16d476d945fed5db5f769a21a722cbc7..085a7fbc6b2b604286ac79b7ea45cef75b976b0a 100644
--- a/services/ui/input_devices/input_device_server.h
+++ b/services/ui/input_devices/input_device_server.h
@@ -18,8 +18,6 @@
 }
 
 namespace ui {
-
-class TouchDeviceServer;
 
 // Listens to DeviceDataManager for updates on input-devices and forwards those
 // updates to any registered InputDeviceObserverMojo in other processes via
@@ -65,10 +63,6 @@
   // DeviceDataManager instance we are registered as an observer with.
   ui::DeviceDataManager* manager_ = nullptr;
 
-#if defined(OS_CHROMEOS)
-  std::unique_ptr<TouchDeviceServer> touch_device_server_;
-#endif
-
   DISALLOW_COPY_AND_ASSIGN(InputDeviceServer);
 };