Convert another batch of extension tests to manifest_version 2

chrome/test/data/extensions/api_test/window_open/focus/test.html

-<script>
-var expectFocusChange;
-var createdWinId;
-var focusedWinId;
-var listenDoneCallback;
-
-function resetTest(focused) {
-  expectFocusChange = focused;
-  createdWinId = chrome.windows.WINDOW_ID_NONE;
-  focusedWinId = chrome.windows.WINDOW_ID_NONE;
-  listenDoneCallback = chrome.test.listenForever(
-      chrome.windows.onFocusChanged, onFocusChanged);
-}
-
-function onFocusChanged(changedWinId) {
-  if (chrome.windows.WINDOW_ID_NONE != changedWinId) {
-    focusedWinId = changedWinId;
-    if (expectFocusChange)
-      maybeFocusedTestDone();
-  }
-}
-
-function checkFocused(win) {
-  createdWinId = win.id;
-  maybeFocusedTestDone();
-}
-
-// Test is done when focus has changed to the created window.
-function maybeFocusedTestDone() {
-  if (focusedWinId != chrome.windows.WINDOW_ID_NONE &&
-      createdWinId != chrome.windows.WINDOW_ID_NONE) {
-    listenDoneCallback();
-    chrome.test.assertEq(focusedWinId, createdWinId);
-  }
-}
-
-function checkUnfocused(win) {
-  createdWinId = win.id;
-  setTimeout(chrome.test.callbackPass(function () {
-      listenDoneCallback();
-      chrome.test.assertTrue(focusedWinId != createdWinId);
-      }), 500);
-}
-
-chrome.test.runTests([
-  function defaultHasFocus() {
-    resetTest(true);
-    chrome.windows.create(
-        { 'url': 'blank.html' },
-        chrome.test.callbackPass(checkFocused)
-    );
-  },
-  function defaultHasFocusPopup() {
-    resetTest(true);
-    chrome.windows.create(
-        { 'url': 'blank.html', 'type': 'popup' },
-        chrome.test.callbackPass(checkFocused)
-    );
-  },
-  function defaultUnfocusedPanel() {
-    resetTest(false);
-    chrome.windows.create(
-        { 'url': 'blank.html', 'type': 'panel' },
-        chrome.test.callbackPass(checkUnfocused)
-    );
-  },
-  function withFocus() {
-    resetTest(true);
-    chrome.windows.create(
-        { 'url': 'blank.html', 'focused': true },
-        chrome.test.callbackPass(checkFocused)
-    );
-  },
-  function withFocusPopup() {
-    resetTest(true);
-    chrome.windows.create(
-        { 'url': 'blank.html', 'focused': true, 'type': 'popup' },
-        chrome.test.callbackPass(checkFocused)
-    );
-  },
-  function withFocusPanel() {
-    resetTest(true);
-    chrome.windows.create(
-        { 'url': 'blank.html', 'focused': true, 'type': 'panel' },
-        chrome.test.callbackPass(checkFocused)
-    );
-  },
-  function withoutFocus() {
-    resetTest(false);
-    chrome.windows.create(
-        { 'url': 'blank.html', 'focused': false },
-        chrome.test.callbackPass(checkUnfocused)
-    );
-  },
-  function withoutFocusPopup() {
-    resetTest(false);
-    chrome.windows.create(
-        { 'url': 'blank.html', 'focused': false, 'type': 'popup' },
-        chrome.test.callbackPass(checkUnfocused)
-    );
-  },
-  function withoutFocusPanel() {
-    resetTest(false);
-    chrome.windows.create(
-        { 'url': 'blank.html', 'focused': false, 'type': 'panel' },
-        chrome.test.callbackPass(checkUnfocused)
-    );
-  }
-]);
-</script>
+<!--
+ * Copyright (c) 2011 The Chromium Authors. All rights reserved.  Use of this
+ * source code is governed by a BSD-style license that can be found in the
+ * LICENSE file.
+-->
+<script src="test.js"></script>