Add TODOs about components needing to adjust to screen size changes.

sky/sdk/lib/framework/components2/scaffold.dart

 // 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 '../fn2.dart';
 import '../rendering/box.dart';
 import '../rendering/object.dart';
 import '../theme2/view_configuration.dart';
 
 enum ScaffoldSlots {
@@ skipping 61 matching lines @@
     return null;
   }
 
   bool get sizedByParent => true;
   void performResize() {
     size = constraints.constrain(Size.infinite);
     assert(size.width < double.INFINITY);
     assert(size.height < double.INFINITY);
   }
 
+  // TODO(eseidel): These change based on device size!
+  // http://www.google.com/design/spec/layout/metrics-keylines.html#metrics-keylines-keylines-spacing
   static const kButtonX = 16.0; // left from right edge of body
   static const kButtonY = 16.0; // up from bottom edge of body
 
   void performLayout() {
     double bodyHeight = size.height;
     double bodyPosition = 0.0;
     if (_slots[ScaffoldSlots.toolbar] != null) {
       RenderBox toolbar = _slots[ScaffoldSlots.toolbar];
       double toolbarHeight = kToolBarHeight + kNotificationAreaHeight;
       toolbar.layout(new BoxConstraints.tight(new Size(size.width, toolbarHeight)));
@@ skipping 114 matching lines @@
   void syncRenderObject(UINode old) {
     super.syncRenderObject(old);
     _toolbar = syncChild(_toolbar, old is Scaffold ? old._toolbar : null, ScaffoldSlots.toolbar);
     _body = syncChild(_body, old is Scaffold ? old._body : null, ScaffoldSlots.body);
     _statusbar = syncChild(_statusbar, old is Scaffold ? old._statusbar : null, ScaffoldSlots.statusBar);
     _drawer = syncChild(_drawer, old is Scaffold ? old._drawer : null, ScaffoldSlots.drawer);
     _floatingActionButton = syncChild(_floatingActionButton, old is Scaffold ? old._floatingActionButton : null, ScaffoldSlots.floatingActionButton);
   }
 
 }