Move touchscreen device caching to DeviceDataManager

ui/ozone/common/chromeos/touchscreen_device_manager_ozone.cc

Index: ui/ozone/common/chromeos/touchscreen_device_manager_ozone.cc
diff --git a/ui/ozone/common/chromeos/touchscreen_device_manager_ozone.cc b/ui/ozone/common/chromeos/touchscreen_device_manager_ozone.cc
deleted file mode 100644
index 92f4ff9fd6dc9cb4d079a033ae2501f985bfa99e..0000000000000000000000000000000000000000
--- a/ui/ozone/common/chromeos/touchscreen_device_manager_ozone.cc
+++ /dev/null
@@ -1,20 +0,0 @@
-// 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.
-
-#include "ui/ozone/common/chromeos/touchscreen_device_manager_ozone.h"
-
-#include "base/logging.h"
-
-namespace ui {
-
-TouchscreenDeviceManagerOzone::TouchscreenDeviceManagerOzone() {}
-
-TouchscreenDeviceManagerOzone::~TouchscreenDeviceManagerOzone() {}
-
-std::vector<TouchscreenDevice> TouchscreenDeviceManagerOzone::GetDevices() {
-  NOTIMPLEMENTED();
-  return std::vector<TouchscreenDevice>();
-}
-
-}  // namespace ui