Removed Polymer from Observatory deps

packages/polymer_expressions/benchmark/eval.dart

-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-library polymer_expressions.benchmark.eval;
-
-import 'package:benchmark_harness/benchmark_harness.dart';
-import 'package:polymer_expressions/parser.dart' show parse;
-import 'package:polymer_expressions/eval.dart' show eval, Scope;
-
-class Foo {
-  final Bar bar;
-  Foo(this.bar);
-}
-
-class Bar {
-  String baz;
-  Bar(this.baz);
-}
-
-class EvalBenchmark extends BenchmarkBase {
-  final expr;
-  final scope;
-
-  EvalBenchmark(String name, String expr, {Object model, Map variables})
-      : expr = parse(expr),
-        scope = new Scope(model: model, variables: variables),
-        super('$name: $expr ');
-
-  run() {
-    var value = eval(expr, scope);
-  }
-
-}
-
-double total = 0.0;
-
-benchmark(String name, String expr, {Object model, Map variables}) {
-  var score = new EvalBenchmark(name, expr, model: model, variables: variables)
-      .measure();
-  print("$name $expr: $score us");
-  total += score;
-}
-
-main() {
-
-  benchmark('Constant', '1');
-  benchmark('Top-level Name', 'foo',
-      variables: {'foo': new Foo(new Bar('hello'))});
-  benchmark('Model field', 'bar',
-      model: new Foo(new Bar('hello')));
-  benchmark('Path', 'foo.bar.baz',
-      variables: {'foo': new Foo(new Bar('hello'))});
-  benchmark('Map', 'm["foo"]',
-      variables: {'m': {'foo': 1}});
-  benchmark('Equality', '"abc" == "123"');
-  print('total: $total us');
-
-}