pkg/watcher: prepare for 0.9.3

pkg/watcher/lib/src/utils.dart

Index: pkg/watcher/lib/src/utils.dart
diff --git a/pkg/watcher/lib/src/utils.dart b/pkg/watcher/lib/src/utils.dart
index 163e9f4452ec3d3b53cb683ddbd4e9d75a1d101e..007c84c193f1bea55261659fd91058bf9a9678be 100644
--- a/pkg/watcher/lib/src/utils.dart
+++ b/pkg/watcher/lib/src/utils.dart
@@ -20,7 +20,7 @@ bool isDirectoryNotFoundException(error) {
 
 /// Returns the union of all elements in each set in [sets].
 Set unionAll(Iterable<Set> sets) =>
-  sets.fold(new Set(), (union, set) => union.union(set));
+    sets.fold(new Set(), (union, set) => union.union(set));
 
 /// Returns a buffered stream that will emit the same values as the stream
 /// returned by [future] once [future] completes.
@@ -76,7 +76,7 @@ Future newFuture(callback()) => new Future.value().then((_) => callback());
 /// Returns a [Future] that completes after pumping the event queue [times]
 /// times. By default, this should pump the event queue enough times to allow
 /// any code to run, as long as it's not waiting on some external event.
-Future pumpEventQueue([int times=20]) {
+Future pumpEventQueue([int times = 20]) {
   if (times == 0) return new Future.value();
   // We use a delayed future to allow microtask events to finish. The
   // Future.value or Future() constructors use scheduleMicrotask themselves and