Remove drawer history entry when drawer is disposed. (#5157)

BUG=https://github.com/flutter/flutter/issues/5103

Remove drawer history entry when drawer is disposed. (#5157)
BUG=https://github.com/flutter/flutter/issues/5103
f59d04bf · Matt Perry · Hans Muller · 566cacbd · f59d04bf
Commit f59d04bf authored Jul 29, 2016 by Matt Perry Committed by Hans Muller Jul 29, 2016
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drawer.dart packages/flutter/lib/src/material/drawer.dart +1 -0

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--- a/packages/flutter/lib/src/material/drawer.dart
+++ b/packages/flutter/lib/src/material/drawer.dart
@@ -122,6 +122,7 @@ class DrawerControllerState extends State<DrawerController> {
  @override
  void dispose() {
+    _historyEntry?.remove();
    _controller
      ..removeListener(_animationChanged)
      ..removeStatusListener(_animationStatusChanged)