Move touchscreen device caching to DeviceDataManager

ui/display/chromeos/x11/touchscreen_device_manager_x11.h

Index: ui/display/chromeos/x11/touchscreen_device_manager_x11.h
diff --git a/ui/display/chromeos/x11/touchscreen_device_manager_x11.h b/ui/display/chromeos/x11/touchscreen_device_manager_x11.h
deleted file mode 100644
index 594ef0344588a7922af07263c7e5e8fef00658fe..0000000000000000000000000000000000000000
--- a/ui/display/chromeos/x11/touchscreen_device_manager_x11.h
+++ /dev/null
@@ -1,32 +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.
-
-#ifndef UI_DISPLAY_CHROMEOS_X11_TOUCHSCREEN_DEVICE_MANAGER_X11_H_
-#define UI_DISPLAY_CHROMEOS_X11_TOUCHSCREEN_DEVICE_MANAGER_X11_H_
-
-#include "base/macros.h"
-#include "ui/display/types/chromeos/touchscreen_device_manager.h"
-
-struct _XDisplay;
-typedef struct _XDisplay Display;
-
-namespace ui {
-
-class TouchscreenDeviceManagerX11 : public TouchscreenDeviceManager {
- public:
-  TouchscreenDeviceManagerX11();
-  virtual ~TouchscreenDeviceManagerX11();
-
-  // TouchscreenDeviceManager implementation:
-  virtual std::vector<TouchscreenDevice> GetDevices() OVERRIDE;
-
- private:
-  Display* display_;
-
-  DISALLOW_COPY_AND_ASSIGN(TouchscreenDeviceManagerX11);
-};
-
-}  // namespace ui
-
-#endif  // UI_DISPLAY_CHROMEOS_X11_TOUCHSCREEN_DEVICE_MANAGER_X11_H_