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

content/browser/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("//gpu/vulkan/features.gni")
 import("//media/media_options.gni")
 import("//ppapi/features/features.gni")
 import("//printing/features/features.gni")
@@ skipping 127 matching lines @@
     "//ui/accessibility",
     "//ui/accessibility:ax_gen",
     "//ui/base",
     "//ui/base/ime",
     "//ui/display",
     "//ui/display/types",
     "//ui/events",
     "//ui/events:gesture_detection",
     "//ui/events/blink",
     "//ui/gfx",
+    "//ui/gfx/animation",
     "//ui/gfx/geometry",
     "//ui/gfx/geometry/mojo",
     "//ui/gl",
     "//ui/gl:gl_features",
     "//ui/native_theme",
     "//ui/resources",
     "//ui/shell_dialogs",
     "//ui/snapshot",
     "//ui/touch_selection",
     "//v8:v8_version",
@@ skipping 1883 matching lines @@
   if (!is_component_build) {
     public_deps = [
       ":browser",
     ]
   } else {
     public_deps = [
       "//third_party/leveldatabase",
     ]
   }
 }