Merge pull request #782 from Hixie/yak2-pointer-events

Export the new pointer event classes.
diff --git a/packages/flutter/lib/src/rendering/proxy_box.dart b/packages/flutter/lib/src/rendering/proxy_box.dart
index 20209d7..ccb2d28 100644
--- a/packages/flutter/lib/src/rendering/proxy_box.dart
+++ b/packages/flutter/lib/src/rendering/proxy_box.dart
@@ -14,7 +14,12 @@
 import 'object.dart';
 
 export 'package:flutter/src/painting/box_painter.dart';
-export 'package:flutter/gestures.dart' show InputEvent, PointerInputEvent;
+export 'package:flutter/gestures.dart' show
+  PointerEvent,
+  PointerDownEvent,
+  PointerMoveEvent,
+  PointerUpEvent,
+  PointerCancelEvent;
 
 /// A base class for render objects that resemble their children
 ///
diff --git a/packages/flutter/lib/src/widgets/basic.dart b/packages/flutter/lib/src/widgets/basic.dart
index e9c2b01..d399fda 100644
--- a/packages/flutter/lib/src/widgets/basic.dart
+++ b/packages/flutter/lib/src/widgets/basic.dart
@@ -43,7 +43,11 @@
     Path,
     PlainTextSpan,
     Point,
-    PointerInputEvent,
+    PointerCancelEvent,
+    PointerDownEvent,
+    PointerEvent,
+    PointerMoveEvent,
+    PointerUpEvent,
     RadialGradient,
     Rect,
     ScrollDirection,