Move another bunch of extension API tests to manifest_version 2.

chrome/test/data/extensions/api_test/clear/api/background.js

Index: chrome/test/data/extensions/api_test/clear/api/background.js
===================================================================
--- chrome/test/data/extensions/api_test/clear/api/background.js	(revision 0)
+++ chrome/test/data/extensions/api_test/clear/api/background.js	(revision 0)
@@ -0,0 +1,42 @@
+// 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.
+
+var allTypes = {
+  cache: true,
+  cookies: true,
+  downloads: true,
+  formData: true,
+  history: true,
+  passwords: true
+};
+chrome.test.runTests([
+  function testClearEverything() {
+    chrome.experimental.clear.browsingData("everything", allTypes,
+        chrome.test.callbackPass());
+  },
+  function testClearCache() {
+    chrome.experimental.clear.cache(
+        "everything", chrome.test.callbackPass());
+  },
+  function testClearCookies() {
+    chrome.experimental.clear.cookies(
+        "everything", chrome.test.callbackPass());
+  },
+  function testClearHistory() {
+    chrome.experimental.clear.history(
+        "everything", chrome.test.callbackPass());
+  },
+  function testClearPasswords() {
+    chrome.experimental.clear.passwords(
+        "everything", chrome.test.callbackPass());
+  },
+  function testClearDownloads() {
+    chrome.experimental.clear.downloads(
+        "everything", chrome.test.callbackPass());
+  },
+  function testClearFormData() {
+    chrome.experimental.clear.formData(
+        "everything", chrome.test.callbackPass());
+  }
+]);