Move another block of extension tests to manifest_version 2.

chrome/test/data/extensions/api_test/executescript/in_frame/test.html

-<script>
-
-var pass = chrome.test.callbackPass;
-var fail = chrome.test.callbackFail;
-var assertEq = chrome.test.assertEq;
-var assertTrue = chrome.test.assertTrue;
-var relativePath =
-    '/files/extensions/api_test/executescript/in_frame/test_executescript.html';
-var testUrl = 'http://a.com:PORT' + relativePath;
-
-chrome.tabs.onUpdated.addListener(function(tabId, changeInfo, tab) {
-  if (changeInfo.status != 'complete')
-    return;
-
-  chrome.test.runTests([
-    function executeJavaScriptCodeInAllFramesShouldSucceed() {
-      var script_file = {};
-      script_file.code = "var extensionPort = chrome.extension.connect();";
-      script_file.code = script_file.code +
-          "extensionPort.postMessage({message: document.title});";
-      script_file.allFrames = true;
-      var counter = 0;
-      var totalTitles = '';
-      function eventListener(port) {
-        port.onMessage.addListener(function(data) {
-          counter++;
-          totalTitles += data.message;
-        });
-      };
-      chrome.self.onConnect.addListener(eventListener);
-      chrome.tabs.executeScript(tabId, script_file, pass(function() {
-        assertEq(counter, 5);
-        assertEq(totalTitles, 'frametest0test1test2test3');
-        chrome.self.onConnect.removeListener(eventListener);
-      }));
-    },
-
-    function insertCSSTextInAllFramesShouldSucceed() {
-      var css_file = {};
-      css_file.code = "p {display:none;}";
-      css_file.allFrames = true;
-      var newStyle = '';
-      var counter = 0;
-      function eventListener(port) {
-        port.onMessage.addListener(function(data) {
-          counter++;
-          newStyle += data.message;
-        });
-      };
-      chrome.self.onConnect.addListener(eventListener);
-      chrome.tabs.insertCSS(tabId, css_file, function() {
-        var script_file = {};
-        script_file.file = 'script.js';
-        script_file.allFrames = true;
-        chrome.tabs.executeScript(tabId, script_file,
-          pass(function() {
-            assertEq(newStyle, 'nonenonenonenone');
-            assertEq(counter, 4);
-            chrome.self.onConnect.removeListener(eventListener);
-        }));
-      });
-    }
-  ]);
-});
-
-chrome.test.getConfig(function(config) {
-  testUrl = testUrl.replace(/PORT/, config.testServer.port);
-  chrome.tabs.create({ url: testUrl });
-});
-
-</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>