[Effen] remove the last traces of the 'display' property from the effen component library.

sky/framework/components/input.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 '../editing/editable_string.dart';
 import '../editing/editable_text.dart';
 import '../editing/keyboard.dart';
 import '../fn.dart';
+import '../layout.dart';
 import '../theme/colors.dart';
 import '../theme/typography.dart' as typography;
 import 'dart:sky' as sky;
 
 typedef void ValueChanged(value);
 
 class Input extends Component {
   static final Style _style = new Style('''
-    display: paragraph;
     transform: translateX(0);
     margin: 8px;
     padding: 8px;
     border-bottom: 1px solid ${Grey[200]};
     align-self: center;
     height: 1.2em;
     white-space: pre;
     overflow: hidden;'''
   );
 
@@ skipping 49 matching lines @@
     if (placeholder != null && _value.isEmpty) {
       children.add(new Container(
           style: _placeholderStyle,
           children: [new Text(placeholder)]
       ));
     }
 
     children.add(new EditableText(value: _editableValue, focused: focused));
 
     return new EventListenerNode(
-      new Container(
+      new FlexContainer(
+        direction: FlexDirection.Column,
         style: _style,
         inlineStyle: focused ? _focusedInlineStyle : null,
         children: children
       ),
       onPointerDown: (sky.Event e) => keyboard.showByRequest()
     );
   }
 }