From de4d3f83f3b6e2265622500c5e5fdc2a652f5c93 Mon Sep 17 00:00:00 2001
From: Googler <noreply@google.com>
Date: Mon, 8 Jan 2018 09:10:31 -0800
Subject: [PATCH] Add stubs for Timer.tick, ready for Dart 2.0 core lib
 changes.

#Dart2

Tested: https://tap.corp.google.com/ui#id=OCL:180837836:BASE:180879972:1515123567313:29de349d
PiperOrigin-RevId: 181173154
---
 angular/lib/src/core/zone/ng_zone.dart | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/angular/lib/src/core/zone/ng_zone.dart b/angular/lib/src/core/zone/ng_zone.dart
index fb75f5c279..9cb53fe21a 100644
--- a/angular/lib/src/core/zone/ng_zone.dart
+++ b/angular/lib/src/core/zone/ng_zone.dart
@@ -397,6 +397,14 @@ class WrappedTimer implements Timer {
   }
 
   bool get isActive => _timer.isActive;
+
+  @override
+  // TODO: Dart 2.0 requires this method to be implemented.
+  // See https://github.com/dart-lang/sdk/issues/31664
+  // ignore: override_on_non_overriding_getter
+  int get tick {
+    throw new UnimplementedError("tick");
+  }
 }
 
 /// Stores error information; delivered via [NgZone.onError] stream.