test renaming overhaul: step 4 client tests

client/tests/client/dom/WindowOpenTest.dart

-#library('WindowOpenTest');
-#import('../../../../lib/unittest/unittest.dart');
-#import('../../../../lib/unittest/dom_config.dart');
-#import('dart:dom');
-
-main() {
-  evaluateJavaScript(code) {
-    final scriptTag = document.createElement('script');
-    scriptTag.innerHTML = code;
-    document.body.appendChild(scriptTag);
-  }
-  evaluateJavaScript('layoutTestController.setCanOpenWindows()');
-
-  useDomConfiguration();
-  asyncTest('TwoArgumentVersion', 1, () {
-    Window win = window.open('../resources/pong.html', 'testWindow');
-    closeWindow(win);
-  });
-  asyncTest('ThreeArgumentVersion', 1, () {
-    Window win = window.open("resources/pong.html", "testWindow", "scrollbars=yes,width=75,height=100");
-    closeWindow(win);
-  });
-}
-
-closeWindow(win) {
-  win.close();
-  doneHandler() {
-    window.setTimeout(win.closed ? callbackDone : doneHandler, 1);
-  }
-  window.setTimeout(doneHandler, 1);
-}