Clean up a bunch of our Dart code.

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

Index: sky/sdk/lib/framework/components2/icon.dart
diff --git a/sky/sdk/lib/framework/components2/icon.dart b/sky/sdk/lib/framework/components2/icon.dart
index fbc12dc045480d202c7cfc4e22da3bc6ee7f74dd..60cdb212ad76b567eb30cf597c6780a489038e5b 100644
--- a/sky/sdk/lib/framework/components2/icon.dart
+++ b/sky/sdk/lib/framework/components2/icon.dart
@@ -8,8 +8,6 @@ import '../fn2.dart';
 const String kAssetBase = '/packages/sky/assets/material-design-icons';
 
 class Icon extends Component {
-  int size;
-  String type;
 
   Icon({
     String key,
@@ -17,6 +15,9 @@ class Icon extends Component {
     this.type: ''
   }) : super(key: key);
 
+  int size;
+  String type;
+
   UINode build() {
     String category = '';
     String subtype = '';
@@ -30,4 +31,5 @@ class Icon extends Component {
       src: '${kAssetBase}/${category}/2x_web/ic_${subtype}_${size}dp.png'
     );
   }
+
 }