Make the drawer, popup menus, dialogs, and settings page scrollable.

sky/sdk/BUILD.gn

 # Copyright 2015 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("//mojo/public/dart/rules.gni")
 
 dart_pkg("sky") {
   sources = [
     "CHANGELOG.md",
     "bin/init.dart",
@@ skipping 61 matching lines @@
     "lib/widgets/menu_item.dart",
     "lib/widgets/modal_overlay.dart",
     "lib/widgets/navigator.dart",
     "lib/widgets/popup_menu.dart",
     "lib/widgets/popup_menu_item.dart",
     "lib/widgets/radio.dart",
     "lib/widgets/raised_button.dart",
     "lib/widgets/scaffold.dart",
     "lib/widgets/scrollable.dart",
     "lib/widgets/scrollable_list.dart",
+    "lib/widgets/scrollable_viewport.dart",
     "lib/widgets/snack_bar.dart",
     "lib/widgets/switch.dart",
     "lib/widgets/tabs.dart",
     "lib/widgets/task_description.dart",
     "lib/widgets/theme.dart",
     "lib/widgets/toggleable.dart",
     "lib/widgets/tool_bar.dart",
     "lib/widgets/widget.dart",
     "pubspec.yaml",
   ]
@@ skipping 51 matching lines @@
     ":sky",
   ]
 }
 
 group("sdk") {
   deps = [
     ":sky",
     ":material_design_icons",
   ]
 }