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

third_party/pkg/angular/example/web/bouncing_balls.dart

-import 'package:angular/angular.dart';
-import 'package:angular/application_factory.dart';
-import 'dart:html';
-import 'dart:math';
-import 'dart:core';
-
-var random = new Random();
-var width = 400;
-var height = 400;
-var speed = .05;
-
-class BallModel {
-  var x = width * random.nextDouble();
-  var y = height * random.nextDouble();
-  var velX = 2 * speed * random.nextDouble() - speed;
-  var velY = 2 * speed * random.nextDouble() - speed;
-  var color = BallModel._color();
-
-  static _color() {
-    var color = '#';
-    for(var i = 0; i < 6; i++) {
-      color += (16 * random.nextDouble()).floor().toRadixString(16);
-    }
-    return color;
-  }
-
-}
-
-@Controller(
-  selector: '[bounce-controller]',
-  publishAs: 'bounce')
-class BounceController {
-  var lastTime = window.performance.now();
-  var run = false;
-  var fps = 0;
-  var digestTime = 0;
-  var currentDigestTime = 0;
-  var balls = [];
-  final Scope scope;
-  var ballClassName = 'ball';
-
-  BounceController(this.scope) {
-    changeCount(100);
-    if (run) tick();
-  }
-
-  void toggleCSS() {
-    ballClassName = ballClassName == '' ? 'ball' : '';
-  }
-
-  void playPause() {
-    run = !run;
-    if (run) requestAnimationFrame(tick);
-  }
-
-  void requestAnimationFrame(fn) {
-    window.requestAnimationFrame((_) => fn());
-  }
-
-  void changeCount(count) {
-    while(count > 0) {
-      balls.add(new BallModel());
-      count--;
-    }
-    while(count < 0 && balls.isNotEmpty) {
-      balls.removeAt(0);
-      count++;
-    }
-    //tick();
-  }
-
-  void timeDigest() {
-    var start = window.performance.now();
-    digestTime = currentDigestTime;
-    scope.rootScope.domRead(() {
-      currentDigestTime = window.performance.now() - start;
-    });
-  }
-
-  void tick() {
-    var now = window.performance.now();
-    var delay = now - lastTime;
-
-    fps = (1000/delay).round();
-    for(var i=0, ii=balls.length; i<ii; i++) {
-      var b = balls[i];
-      b.x += delay * b.velX;
-      b.y += delay * b.velY;
-      if (b.x < 0) { b.x *= -1; b.velX *= -1; }
-      if (b.y < 0) { b.y *= -1; b.velY *= -1; }
-      if (b.x > width) { b.x = 2*width - b.x; b.velX *= -1; }
-      if (b.y > height) { b.y = 2*height - b.y; b.velY *= -1; }
-    }
-    lastTime = now;
-    timeDigest();
-    if (run) requestAnimationFrame(tick);
-  }
-}
-
-List<String> _CACHE = new List.generate(500, (i) => '${i}px');
-
-@Decorator(
-  selector: '[ball-position]',
-  map: const {
-    "ball-position": '=>position'},
-  exportExpressions: const ['x', 'y'])
-class BallPosition {
-  final Element element;
-  final Scope scope;
-  BallPosition(this.element, this.scope);
-
-  px(x) => _CACHE[max(0, x.round())];
-
-  set position(BallModel model) {
-    var style = element.style;
-    style.backgroundColor = model.color;
-    scope
-        ..watch('x', (x, _) => element.style.left = '${x + 10}px',
-            context: model, canChangeModel: false)
-        ..watch('y', (y, _) => element.style.top = '${y + 10}px',
-            context: model, canChangeModel: false);
-  }
-}
-
-class MyModule extends Module {
-  MyModule() {
-    type(BounceController);
-    type(BallPosition);
-  }
-}
-
-main() {
-  applicationFactory().addModule(new MyModule()).run();
-}