Move another bunch of extension API tests to manifest_version 2.

chrome/test/data/extensions/api_test/content_scripts/fragment/background.html

-<script>
-var failed = false;
-
-function did_fail() {
-  return failed;
-}
-
-function set_failed(val) {
-  failed = val;
-}
-
-function fail() {
-  set_failed(true);
-  if (!did_fail()) {
-    chrome.test.fail();
-  }
-}
-
-var test_url = "http://localhost:PORT/files/extensions/test_file.html";
-
-// For running in normal chrome (ie outside of the browser_tests environment),
-// set debug to 1 here.
-var debug = 0;
-if (debug) {
-  test_url = "http://www.google.com";
-  chrome.test.log = function(msg) { console.log(msg) };
-  chrome.test.runTests = function(tests) {
-    for (var i in tests) {
-      tests[i]();
-    }
-  };
-  chrome.test.succeed = function(){ console.log("succeed"); };
-  chrome.test.fail = function(){ console.log("fail"); };
-}
-
-function runTests() {
-  chrome.test.runTests([
-    function test1() {
-      chrome.extension.onRequest.addListener(function(req, sender) {
-        chrome.test.log("got request: " + JSON.stringify(req));
-        if (req == "fail") {
-          fail();
-        } else if (req == "content_script_start") {
-          var tab = sender.tab;
-          if (tab.url.indexOf("#") != -1) {
-            fail();
-          } else {
-            chrome.tabs.update(tab.id, {"url": tab.url + "#foo"});
-          }
-        }
-      });
-      chrome.tabs.onUpdated.addListener(function(tabid, info, tab) {
-        chrome.test.log("onUpdated status: " + info.status + " url:" + tab.url);
-        if (info.status == "complete" && tab.url.indexOf("#foo") != -1) {
-          setTimeout(function() {
-            if (!did_fail()) {
-              chrome.test.succeed();
-            }
-          }, 750);
-        }
-      });
-      chrome.test.log("creating tab");
-      chrome.tabs.create({"url": test_url});
-    }
-  ]);
-}
-
-if (debug) {
-  runTests();
-} else {
-  chrome.test.getConfig(function(config) {
-    test_url = test_url.replace(/PORT/, config.testServer.port);
-    runTests();
-  });
-}
-
-</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="background.js"></script>