NOT FOR REVIEW - convert to cc animation

chrome/browser/android/vr_shell/BUILD.gn

 # 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("//chrome/common/features.gni")
 import("//device/vr/features/features.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 }
 
 assert(enable_vr)
 
 # This library is platform-independent UI and related modules, which should
 # compile on any platform.
 static_library("vr_common") {
   sources = [
-    "animation.cc",
-    "animation.h",
     "color_scheme.cc",
     "color_scheme.h",
-    "easing.cc",
-    "easing.h",
     "font_fallback.cc",
     "font_fallback.h",
     "fps_meter.cc",
     "fps_meter.h",
     "gltf_asset.cc",
     "gltf_asset.h",
     "gltf_parser.cc",
     "gltf_parser.h",
     "textures/button_texture.cc",
     "textures/button_texture.h",
@@ skipping 57 matching lines @@
     "ui_interface.h",
     "ui_scene.cc",
     "ui_scene.h",
     "ui_scene_manager.cc",
     "ui_scene_manager.h",
     "ui_unsupported_mode.h",
   ]
 
   deps = [
     "//base",
+    "//cc/animation",
     "//cc/paint",
     "//chrome/app:generated_resources",
     "//components/security_state/core",
     "//components/strings",
     "//components/toolbar",
     "//components/url_formatter",
     "//components/vector_icons",
     "//skia",
     "//ui/base",
     "//ui/display",
@@ skipping 101 matching lines @@
     "ui_elements/exit_prompt_unittest.cc",
     "ui_elements/transience_manager_unittest.cc",
     "ui_elements/ui_element_unittest.cc",
     "ui_scene_manager_unittest.cc",
     "ui_scene_unittest.cc",
   ]
 
   deps = [
     ":vr_common",
     "//base/test:test_support",
+    "//cc:test_support",
     "//components:components_tests_pak",
     "//components/security_state/core",
     "//components/toolbar:vector_icons",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/gfx:test_support",
     "//ui/gfx/geometry",
     "//ui/gl",
   ]
 
   if (is_android) {
     deps += [ "//ui/android:ui_java" ]
   }
 
   data = [
     "test/data/",
     "$root_out_dir/components_tests_resources.pak",
   ]
 }