Set the default text color to white

sky/sdk/lib/widgets/basic.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 'dart:sky' as sky;
 
 import 'package:vector_math/vector_math.dart';
 
 import '../painting/text_style.dart';
 import '../rendering/block.dart';
@@ skipping 421 matching lines @@
     TextStyle defaultStyle = DefaultTextStyle.of(this);
     TextStyle combinedStyle;
     if (defaultStyle != null) {
       if (style != null)
         combinedStyle = defaultStyle.merge(style);
       else
         combinedStyle = defaultStyle;
     } else {
       combinedStyle = style;      
     }
-    if (combinedStyle != null)
-      text = new InlineStyle(combinedStyle, [text]);
+    if (combinedStyle == null)
+      combinedStyle = const TextStyle(color: const Color(0xFFFFFFFF));

[abarth-chromium, 2015/06/27 00:31:51]

Maybe we should use a TextStyle from typography.dart?  Perhaps
typography.white.body1 ?

+    text = new InlineStyle(combinedStyle, [text]);
     return new Inline(text: text);

[abarth-chromium, 2015/06/27 00:31:51]

IMHO, we should merge lines 444 and 445 so we don't have to re-assign |text|.

   }
 }
 
 class Image extends LeafRenderObjectWrapper {
 
   Image({
     src,
     this.size
   }) : src = src,
        super(key: src) {
@@ skipping 34 matching lines @@
   }
 
   void remove() {
     RenderObjectWrapper ancestor = findAncestor(RenderObjectWrapper);
     assert(ancestor is RenderObjectWrapper);
     ancestor.detachChildRoot(this);
     super.remove();
   }
 
 }