Update all Angular libs (run update_all.sh).

third_party/pkg/angular/perf/mirror_perf.dart

-library angular.perf.mirror;
-
-import '_perf.dart';
-import 'dart:mirrors';
-import 'package:angular/change_detection/dirty_checking_change_detector.dart';
-
-main() {
-  var c = new _Obj(1);
-  InstanceMirror im = reflect(c);
-  Symbol symbol = const Symbol('a');
-  _Watch head = new _Watch();
-  _Watch current = head;
-  GetterCache getterCache = new GetterCache({});
-  var detector = new DirtyCheckingChangeDetector<String>(getterCache);
-  for(var i=1; i < 10000; i++) {
-    _Watch next = new _Watch();
-    current = (current.next = new _Watch());
-    detector.watch(c, 'a', '');
-  }
-
-  var dirtyCheck = () {
-    _Watch current = head;
-    while(current != null) {
-      if (!identical(current.lastValue, current.im.getField(current.symbol).reflectee)) {
-        throw "We should not get here";
-      }
-      current = current.next;
-    }
-  };
-
-  var dirtyCheckFn = () {
-    _Watch current = head;
-    while(current != null) {
-      if (!identical(current.lastValue, current.getter(current.object))) {
-        throw "We should not get here";
-      }
-      current = current.next;
-    }
-  };
-
-  xtime('fieldRead', () => im.getField(symbol).reflectee );
-  xtime('Object.observe', dirtyCheck);
-  xtime('Object.observe fn()', dirtyCheckFn);
-  time('ChangeDetection', detector.collectChanges);
-}
-
-class _Watch {
-  dynamic lastValue = 1;
-  _Watch next;
-  String location;
-  dynamic object = new _Obj(1);
-  InstanceMirror im;
-  Symbol symbol = const Symbol('a');
-  Function getter = (s) => s.a;
-
-  _Watch() {
-    im = reflect(object);
-  }
-}
-
-class _Obj {
-  var a;
-
-  _Obj(this.a);
-}