Support automatic javascript test registry in gtest when creating WebUI tests.

chrome/browser/ui/webui/javascript2webui.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.
-if (arguments.length < 4) {
-  print('usage: ' +
-        arguments[0] + ' test_fixture path-to-testfile.js testfile.js');
-  quit();
-}
-var test_fixture = arguments[1];
-var js_file = arguments[2];
-var js_file_base = arguments[3];
-var prevfuncs = {};
-for (var func in this) {
-  if (this[func] instanceof Function)
-    prevfuncs[func] = func;
-}
-var js = load(js_file);
-print('// GENERATED FILE');
-print('// ' + arguments.join(' '));
-print('// PLEASE DO NOT HAND EDIT!');
-print();
-for (var func in this) {
-  if (!prevfuncs[func] && this[func] instanceof Function) {
-    print('IN_PROC_BROWSER_TEST_F(' + test_fixture + ', ' + func + ') {');
-    print('  AddLibrary(FilePath(FILE_PATH_LITERAL("' + js_file_base + '")));');
-    print('  ASSERT_TRUE(RunJavascriptTest("' + func + '"));');
-    print('}');
-    print();
-  }
-}