CC Animation: Make cc/animation an independent GN component.

ui/views/examples/BUILD.gn

 # 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.
 
 import("//build/config/ui.gni")
 
 component("views_examples_lib") {
   testonly = true
 
   sources = [
@@ skipping 89 matching lines @@
     "examples_main.cc",
   ]
 
   deps = [
     ":views_examples_lib",
     "//base",
     "//base:i18n",
     "//base/test:test_support",
     "//build/config/sanitizers:deps",
     "//build/win:default_exe_manifest",
+    "//cc/animation",
     "//cc/surfaces",
     "//ui/base",
     "//ui/compositor",
     "//ui/compositor:test_support",
     "//ui/gfx",
     "//ui/gl/init",
     "//ui/resources:ui_test_pak",
     "//ui/views",
     "//ui/views:test_support",
   ]
@@ skipping 64 matching lines @@
   deps = [
     "//content:resources",
   ]
   sources = [
     "$root_gen_dir/content/content_resources.pak",
   ]
   outputs = [
     "$root_out_dir/content_resources.pak",
   ]
 }