Move dromaeo to third_party

client/dom/benchmarks/dromaeo/tests/dom-modify.dart

-#library("dom-modify.dart");
-#import("dart:dom");
-#import('runner.dart');
-
-void main() {
-  final int num = 400;
-
-  String str = 'null';
-  // Very ugly way to build up the string, but let's mimic JS version as much as possible.
-  for (int i = 0; i < 1024; i++) {
-    str += new String.fromCharCodes([((25 * Math.random()) + 97).toInt()]);
-  }
-
-  List<Node> elems = new List<Node>();
-
-  // Try to force real results.
-  var ret;
-
-  final htmlstr = document.body.innerHTML;
-
-  new Suite(window, 'dom-modify')
-    .test('createElement', () {
-      for (int i = 0; i < num; i++) {
-        ret = document.createElement('div');
-        ret = document.createElement('span');
-        ret = document.createElement('table');
-        ret = document.createElement('tr');
-        ret = document.createElement('select');
-      }
-    })
-    .test('createTextNode', () {
-      for (int i = 0; i < num; i++) {
-        ret = document.createTextNode(str);
-        ret = document.createTextNode(str + '2');
-        ret = document.createTextNode(str + '3');
-        ret = document.createTextNode(str + '4');
-        ret = document.createTextNode(str + '5');
-      }
-    })
-    .test('innerHTML', () {
-      document.body.innerHTML = htmlstr;
-    })
-    .prep(() {
-      elems = new List<Node>();
-      final telems = document.body.childNodes;
-      for (int i = 0; i < telems.length; i++) {
-        elems.add(telems[i]);
-      }
-    })
-    .test('cloneNode', () {
-      for (int i = 0; i < elems.length; i++) {
-        ret = elems[i].cloneNode(false);
-        ret = elems[i].cloneNode(true);
-        ret = elems[i].cloneNode(true);
-        }
-    })
-    .test('appendChild', () {
-      for (int i = 0; i < elems.length; i++)
-        document.body.appendChild(elems[i]);
-    })
-    .test('insertBefore', () {
-      for (int i = 0; i < elems.length; i++)
-        document.body.insertBefore(elems[i], document.body.firstChild);
-    })
-    .end();
-}