Zero warnings from the analyzer!

sky/sdk/lib/widgets/ink_well.dart

Index: sky/sdk/lib/widgets/ink_well.dart
diff --git a/sky/sdk/lib/widgets/ink_well.dart b/sky/sdk/lib/widgets/ink_well.dart
index 95a78daeb0094106e2398eda4cba105c682b8b1b..e40c37014684c679678985b08aa11ce3da0ee928 100644
--- a/sky/sdk/lib/widgets/ink_well.dart
+++ b/sky/sdk/lib/widgets/ink_well.dart
@@ -65,14 +65,15 @@ class RenderInkWell extends RenderProxyBox {
   final List<InkSplash> _splashes = new List<InkSplash>();
 
   void handleEvent(sky.Event event, BoxHitTestEntry entry) {
-    switch (event.type) {
-      case 'gesturetapdown':
-        // TODO(abarth): We should position the splash at the location of the tap.
-        _startSplash(event.primaryPointer, entry.localPosition);
-        break;
-      case 'gesturetap':
-        _confirmSplash(event.primaryPointer);
-        break;
+    if (event is sky.GestureEvent) {
+      switch (event.type) {
+        case 'gesturetapdown':
+          _startSplash(event.primaryPointer, entry.localPosition);
+          break;
+        case 'gesturetap':
+          _confirmSplash(event.primaryPointer);
+          break;
+      }
     }
   }