Reland of r114615: "chrome.clear: Increasing granularity of public API"

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

-// 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());
-  }
-]);