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

ui/aura/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")
 import("//testing/test.gni")
 
 component("aura") {
   sources = [
     "../wm/public/activation_change_observer.cc",
@@ skipping 133 matching lines @@
     "window_tree_host_x11.h",
   ]
 
   defines = [ "AURA_IMPLEMENTATION" ]
 
   deps = [
     "//base",
     "//base:i18n",
     "//base/third_party/dynamic_annotations",
     "//cc",
+    "//cc/animation",
     "//cc/surfaces",
     "//gpu/command_buffer/client",
     "//gpu/ipc/client",
     "//mojo/public/cpp/system",
     "//net",
     "//services/service_manager/public/cpp",
     "//services/ui/public/cpp",
     "//services/ui/public/interfaces",
     "//skia",
     "//ui/base",
@@ skipping 141 matching lines @@
     "demo/demo_main.cc",
   ]
 
   deps = [
     ":aura",
     ":test_support",
     "//base",
     "//base:i18n",
     "//build/config/sanitizers:deps",
     "//build/win:default_exe_manifest",
+    "//cc/animation",
     "//cc/surfaces",
     "//skia",
     "//third_party/icu",
     "//ui/base",
     "//ui/compositor",
     "//ui/compositor:test_support",
     "//ui/display",
     "//ui/events",
     "//ui/gfx",
     "//ui/gfx/geometry",
@@ skipping 36 matching lines @@
   ]
 
   if (is_linux) {
     deps += [ "//third_party/mesa" ]
   }
 
   data_deps = [
     "//third_party/mesa:osmesa",
   ]
 }