Specs: fix copypasta in the WheelEvent constructor
Review URL: https://codereview.chromium.org/939043004
diff --git a/sky/specs/pointer.md b/sky/specs/pointer.md
index eaf17f2..5001f3d 100644
--- a/sky/specs/pointer.md
+++ b/sky/specs/pointer.md
@@ -471,12 +471,11 @@
```dart
class WheelEvent extends Event {
- PointerEvent({ bool bubbles,
- this.wheel,
- this.delta: 0.0,
- this.pointer,
- this.x, this.y,
- }): super(bubbles: bubbles);
+ Event({ this.wheel,
+ this.delta: 0.0,
+ this.pointer,
+ this.x, this.y,
+ }): super();
final int wheel;
final double delta; // revolutions (or fractions thereof)