Rename Timer.repeating to Timer.periodic.

sdk/lib/_internal/compiler/implementation/lib/async_patch.dart

Index: sdk/lib/_internal/compiler/implementation/lib/async_patch.dart
diff --git a/sdk/lib/_internal/compiler/implementation/lib/async_patch.dart b/sdk/lib/_internal/compiler/implementation/lib/async_patch.dart
index 7219f0883a08cd0d2002404a04a8d0f20ba4eddc..9d8b237ef4bea4a38cab51ecaf3c21e29984d3ed 100644
--- a/sdk/lib/_internal/compiler/implementation/lib/async_patch.dart
+++ b/sdk/lib/_internal/compiler/implementation/lib/async_patch.dart
@@ -14,10 +14,10 @@ patch class Timer {
     return new TimerImpl(milliseconds, callback);
   }
 
-  patch factory Timer.repeating(Duration duration, void callback(Timer timer)) {
+  patch factory Timer.periodic(Duration duration, void callback(Timer timer)) {
     int milliseconds = duration.inMilliseconds;
     if (milliseconds < 0) milliseconds = 0;
-    return new TimerImpl.repeating(milliseconds, callback);
+    return new TimerImpl.periodic(milliseconds, callback);
   }
 }