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();
+  }
+}