Move ui/gfx/animation/ into its own component.

ui/views/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/features.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//ui/base/ui_features.gni")
 import("//ui/ozone/ozone.gni")
 import("//ui/vector_icons/vector_icons.gni")
@@ skipping 431 matching lines @@
     "//base",
     "//ui/accessibility:ax_gen",
     "//ui/base",
     "//ui/base/ime",
     "//ui/compositor",
     "//ui/display",
     "//ui/events",
     "//ui/events:events_base",
     "//ui/events/platform",
     "//ui/gfx",
+    "//ui/gfx/animation",
     "//ui/gfx/geometry",
     "//ui/vector_icons",
     "//ui/views/resources",
   ]
 
   if (use_x11 && !is_chromeos) {
     deps += [ "//ui/display/util" ]
   }
   if (is_linux && !is_chromeos) {
     sources -= [ "window/window_button_order_provider.cc" ]
@@ skipping 590 matching lines @@
       "//ui/base:test_support",
       "//ui/compositor",
       "//ui/events:test_support",
       "//ui/gl:test_support",
       "//ui/resources",
       "//ui/resources:ui_test_pak",
       "//ui/strings",
     ]
   }
 }