Old and new about pages: simplify product logo animation code

chrome/browser/resources/options/compiled_resources.gyp

 # 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.
 {
   'targets': [
     {
       'target_name': 'options_bundle',
       'variables': {
         'depends': [
           '../../../../third_party/jstemplate/compiled_resources.gyp:jstemplate',
@@ skipping 25 matching lines @@
           '../../../../ui/webui/resources/js/cr/ui/repeating_button.js',
           '../../../../ui/webui/resources/js/cr/ui/touch_handler.js',
           '../../../../ui/webui/resources/js/cr/ui/tree.js',
           '../../../../ui/webui/resources/js/event_tracker.js',
           '../../../../ui/webui/resources/js/icon.js',
           '../../../../ui/webui/resources/js/load_time_data.js',
           '../../../../ui/webui/resources/js/parse_html_subset.js',
           '../../../../ui/webui/resources/js/promise_resolver.js',
           '../../../../ui/webui/resources/js/util.js',
           '../../../../chrome/browser/resources/chromeos/keyboard/keyboard_utils.js',
-          '../../../../ui/webui/resources/js/compiled_resources2.gyp:i18n_behavior',
-          '../settings/compiled_resources2.gyp:route',
-          '../settings/people_page/compiled_resources2.gyp:lock_state_behavior',
-          '../settings/people_page/compiled_resources2.gyp:password_prompt_dialog',
-          '../settings/people_page/compiled_resources2.gyp:lock_screen',
+          '../../../../ui/webui/resources/js/compiled_resources2.gyp:i18n_behavior',
+          '../settings/compiled_resources2.gyp:route',
+          '../settings/people_page/compiled_resources2.gyp:lock_state_behavior',
+          '../settings/people_page/compiled_resources2.gyp:password_prompt_dialog',
+          '../settings/people_page/compiled_resources2.gyp:lock_screen',
         ],
         # options_bundle is included as a complex dependency. Currently there is
         # no possibility to use gyp variable expansion to it, so we don't use
         # <(CLOSURE_DIR) in the "externs" line.
         'externs': [
           '../../../../third_party/closure_compiler/externs/bluetooth.js',
           '../../../../third_party/closure_compiler/externs/bluetooth_private.js',
           '../../../../third_party/closure_compiler/externs/management.js',
           '../../../../third_party/closure_compiler/externs/metrics_private.js',
           '../../../../third_party/closure_compiler/externs/networking_private.js',
           '../../../../third_party/closure_compiler/externs/chrome_send.js',
-          '../../../../third_party/closure_compiler/externs/quick_unlock_private.js',
+          '../../../../third_party/closure_compiler/externs/quick_unlock_private.js',
+          '../../../../third_party/closure_compiler/externs/web_animations.js',
           '../../../../ui/webui/resources/cr_elements/network/cr_network_icon_externs.js',
-        ],
+        ],
       },
       'includes': ['../../../../third_party/closure_compiler/compile_js.gypi'],
     }
   ],
 }