Revert of ash: Refactor touch hud drawing to ash/touch_hud.

ash/touch_hud/BUILD.gn

Index: ash/touch_hud/BUILD.gn
diff --git a/ash/touch_hud/BUILD.gn b/ash/touch_hud/BUILD.gn
deleted file mode 100644
index 061201d8b14ba4298c7547b09b72fb8cb3464465..0000000000000000000000000000000000000000
--- a/ash/touch_hud/BUILD.gn
+++ /dev/null
@@ -1,24 +0,0 @@
-# Copyright 2016 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.
-
-import("//build/config/ui.gni")
-
-component("touch_hud") {
-  sources = [
-    "ash_touch_hud_export.h",
-    "touch_hud_renderer.cc",
-    "touch_hud_renderer.h",
-  ]
-
-  defines = [ "ASH_TOUCH_HUD_IMPLEMENTATION" ]
-
-  deps = [
-    "//base",
-    "//skia",
-    "//ui/compositor",
-    "//ui/events",
-    "//ui/gfx",
-    "//ui/views",
-  ]
-}