Move another bunch of extension API tests to manifest_version 2.

chrome/test/data/extensions/api_test/content_scripts/all_frames/test.html

-<script>
-// We load a page that has one iframe
-// So we should receive two "all_frames" messages, and one "top_frame_only"
-// messages.
-
-var num_all_frames_messages = 0;
-var num_top_frame_only_messages = 0;
-
-chrome.test.runTests([
-  // Tests receiving a request from a content script and responding.
-  function onRequest() {
-    chrome.extension.onRequest.addListener(
-      function(request, sender, sendResponse) {
-        if (request == "all_frames") {
-          num_all_frames_messages++;
-        } else if (request == "top_frame_only") {
-          num_top_frame_only_messages++;
-        } else {
-          chrome.test.fail("Unexpected request: " + JSON.stringify(request));
-        }
-
-        if (num_all_frames_messages == 2 && num_top_frame_only_messages == 1) {
-          chrome.test.succeed();
-        }
-      }
-    );
-  }
-]);
-
-chrome.test.getConfig(function(config) {
-  chrome.test.log("Creating tab...");
-
-  var test_url =
-      "http://localhost:PORT/files/extensions/test_file_with_iframe.html"
-          .replace(/PORT/, config.testServer.port);
-
-  chrome.tabs.create({ url: test_url });
-});
-
-</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>