Eliminate switches that are not on const ints or strings (as required in spec 0.09).

samples/ui_lib/layout/ViewLayout.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /** The interface that the layout algorithms use to talk to the view. */
 interface Positionable {
   ViewLayout get layout();
 
   /** Gets our custom CSS properties, as provided by the CSS preprocessor. */
   Map<String, String> get customStyle();
@@ skipping 161 matching lines @@
       if (!hasCustomLayout(view)) {
         for (final child in view.childViews) {
           child.doLayout();
         }
       }
     }
   }
 
   int measureContent(ViewLayout parent, Dimension dimension,
                      [ContentSizeMode mode = null]) {
-    switch (dimension) {
-      case Dimension.WIDTH:
-        return measureWidth(parent, mode);
-      case Dimension.HEIGHT:
-        return measureHeight(parent, mode);
+    if (dimension == Dimension.WIDTH) {
+      return measureWidth(parent, mode);
+    } else if (dimension == Dimension.HEIGHT) {
+      return measureHeight(parent, mode);
     }
   }
 
   int measureWidth(ViewLayout parent, ContentSizeMode mode) {
     final style = layoutParams.style.value;
-    switch (mode) {
-      case ContentSizeMode.MIN:
-        return _styleToPixels(
-            style.minWidth, currentWidth, parent.currentWidth);
-
-      case ContentSizeMode.MAX:
-        return _styleToPixels(
-            style.maxWidth, currentWidth, parent.currentWidth);
+    if (mode == ContentSizeMode.MIN) {
+      return _styleToPixels(
+          style.minWidth, currentWidth, parent.currentWidth);
+    } else if (mode == ContentSizeMode.MAX) {
+      return _styleToPixels(
+          style.maxWidth, currentWidth, parent.currentWidth);
     }
   }
 
   int measureHeight(ViewLayout parent, ContentSizeMode mode) {
     final style = layoutParams.style.value;
-    switch (mode) {
-      case ContentSizeMode.MIN:
-        return _styleToPixels(
-            style.minHeight, currentHeight, parent.currentHeight);
-
-      case ContentSizeMode.MAX:
-        return _styleToPixels(
-            style.maxHeight, currentHeight, parent.currentHeight);
+    if (mode == ContentSizeMode.MIN) {
+      return _styleToPixels(
+          style.minHeight, currentHeight, parent.currentHeight);
+    } else if (mode == ContentSizeMode.MAX) {
+      return _styleToPixels(
+          style.maxHeight, currentHeight, parent.currentHeight);
     }
   }
 
   static int _toPixels(String style) {
     if (style.endsWith('px')) {
       return Math.parseInt(style.substring(0, style.length - 2));
     } else {
       // TODO(jmesserly): other size units
       throw new UnsupportedOperationException(
           'Unknown min/max content size format: "$style"');
     }
   }
 
   static int _styleToPixels(String style, num size, num parentSize) {
     if (style == 'none') {
       // For an unset max-content size, use the actual size
       return size;
     }
     if (style.endsWith('%')) {
       num percent = Math.parseDouble(style.substring(0, style.length - 1));
       return ((percent / 100) * parentSize).toInt();
     }
     return _toPixels(style);
   }
 }