Revert "Update all Angular libs (run update_all.sh)."

third_party/pkg/angular/lib/animate/animation_loop.dart

-part of angular.animate;
-
-/**
- * Window.animationFrame update loop that tracks and drives
- * [LoopedAnimations]'s.
- */
-@Injectable()
-class AnimationLoop {
-  final AnimationFrame _frames;
-  final Profiler _profiler;
-  final List<LoopedAnimation> _animations = [];
-  final VmTurnZone _zone;
-
-  bool _animationFrameQueued = false;
-
-  /**
-   * The animation runner requires an [AnimationFrame] to drive the animation
-   * frames, and profiler will report timing information for each of the
-   * animation frames.
-   */
-  AnimationLoop(this._frames, this._profiler, this._zone);
-
-  /**
-   * Start and play an animation through the state transitions defined in
-   * [Animation].
-   */
-  void play(LoopedAnimation animation) {
-    _animations.add(animation);
-    _queueAnimationFrame();
-  }
-
-  void _queueAnimationFrame() {
-    if (!_animationFrameQueued) {
-      _animationFrameQueued = true;
-
-      // TODO(codleogic): This should run outside of an angular scope digest.
-      _zone.runOutsideAngular(() {
-        _frames.animationFrame.then((timeInMs) => _animationFrame(timeInMs))
-            .catchError((error) => print(error));
-      });
-    }
-  }
-
-  /* On the browsers animation frame event, update each of the tracked
-   * animations. Group dom reads first, and and writes second.
-   *
-   *  At any point any animation may be updated by calling interrupt and cancel
-   *  with a reference to the [Animation] to cancel. The [AnimationRunner] will
-   *  then forget about the [Animation] and will not call any further methods on
-   *  the [Animation].
-   */
-  void _animationFrame(num timeInMs) {
-    _profiler.startTimer("AnimationRunner.AnimationFrame");
-    _animationFrameQueued = false;
-
-    _profiler.startTimer("AnimationRunner.AnimationFrame.DomReads");
-    // Dom reads
-    _read(timeInMs);
-    _profiler.stopTimer("AnimationRunner.AnimationFrame.DomReads");
-
-    _profiler.startTimer("AnimationRunner.AnimationFrame.DomMutates");
-    // Dom mutates
-    _update(timeInMs);
-    _profiler.stopTimer("AnimationRunner.AnimationFrame.DomMutates");
-
-    // We don't need to continue queuing animation frames
-    // if there are no more animations to process.
-    if (_animations.length > 0) {
-      _queueAnimationFrame();
-    }
-
-    _profiler.stopTimer("AnimationRunner.AnimationFrame");
-  }
-
-  void _update(num timeInMs) {
-    for (int i=0; i< _animations.length; i++) {
-      var controller = _animations[i];
-      if (!controller.update(timeInMs)) {
-        _animations.removeAt(i--);
-      }
-    }
-  }
-
-  void _read(num timeInMs) {
-    for (int i=0; i< _animations.length; i++) {
-      var animation = _animations[i];
-      animation.read(timeInMs);
-    }
-  }
-
-  /**
-   * Stop tracking and updating the [animation].
-   */
-  void forget(LoopedAnimation animation) {
-    assert(animation != null);
-    _animations.remove(animation);
-  }
-}
-
-/**
- * Wrapper around window.requestAnimationFrame so it can be intercepted and
- * tested.
- */
-@Injectable()
-class AnimationFrame {
-  final dom.Window _wnd;
-  Future<num> get animationFrame => _wnd.animationFrame;
-
-  AnimationFrame(this._wnd);
-}