Fix some minor warnings from the analyzer in the framework.

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

Index: sky/sdk/lib/framework/components2/ink_well.dart
diff --git a/sky/sdk/lib/framework/components2/ink_well.dart b/sky/sdk/lib/framework/components2/ink_well.dart
index 7d29961aa9e973c1b9b24bc2b2958a61928fe2b8..831421e1801cc0649e35cd6316923ba979d7e4d8 100644
--- a/sky/sdk/lib/framework/components2/ink_well.dart
+++ b/sky/sdk/lib/framework/components2/ink_well.dart
@@ -69,10 +69,10 @@ class InkWell extends Component implements ScrollClient {
   //   });
   // }
 
-  // bool ancestorScrolled(Scrollable ancestor) {
+  bool ancestorScrolled(Scrollable ancestor) {
   //   _abortSplashes();
-  //   return false;
-  // }
+    return false;
+  }
 
   // void handleRemoved() {
   //   UINode node = parent;