Allow javascript unit tests using webui test_api framework.

chrome/test/base/js2gtest.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 < 3) {
+if (arguments.length < 4) {
   print('usage: ' +
-        arguments[0] + ' path-to-testfile.js testfile.js [output.cc]');
+        arguments[0] + ' path-to-testfile.js testfile.js output.cc test-type');
   quit(-1);
 }
 var jsFile = arguments[1];
 var jsFileBase = arguments[2];
 var outputFile = arguments[3];
+var testType = arguments[4];
 
 // Generate the file to stdout.
 print('// GENERATED FILE');
 print('// ' + arguments.join(' '));
 print('// PLEASE DO NOT HAND EDIT!');
 print();
-print('#include "chrome/browser/ui/webui/web_ui_browsertest.h"');
+
+var testF;
+
+if (testType === 'unit') {
+  print('#include "chrome/test/base/v8_unit_test.h"');
+  testing.Test.prototype.typedefCppFixture = 'V8UnitTest';
+  testF = 'TEST_F';
+} else {
+  print('#include "chrome/browser/ui/webui/web_ui_browsertest.h"');
+  testing.Test.prototype.typedefCppFixture = 'WebUIBrowserTest';
+  testF = 'IN_PROC_BROWSER_TEST_F';
+}
 print('#include "googleurl/src/gurl.h"');
 print('#include "testing/gtest/include/gtest/gtest.h"');
 print();
 
 function GEN(code) {
   print(code);
 }
 
 var typedeffedCppFixtures = {};
 
 function TEST_F(testFixture, testFunction, testBody) {
   var browsePreload = this[testFixture].prototype.browsePreload;
   var browsePrintPreload = this[testFixture].prototype.browsePrintPreload;
   var testGenPreamble = this[testFixture].prototype.testGenPreamble;
   var testGenPostamble = this[testFixture].prototype.testGenPostamble;
   var typedefCppFixture = this[testFixture].prototype.typedefCppFixture;
-  var isAsync = this[testFixture].prototype.isAsync;
+  var isAsyncParam = testType === 'unit' ? '' :
+      this[testFixture].prototype.isAsync + ', ';
   var testShouldFail = this[testFixture].prototype.testShouldFail;
   var testPredicate = testShouldFail ? 'ASSERT_FALSE' : 'ASSERT_TRUE';
 
   if (typedefCppFixture && !(testFixture in typedeffedCppFixtures)) {
     print('typedef ' + typedefCppFixture + ' ' + testFixture + ';');
     typedeffedCppFixtures[testFixture] = typedefCppFixture;
   }
 
-  print('IN_PROC_BROWSER_TEST_F(' + testFixture + ', ' + testFunction + ') {');
+  print(testF + '(' + testFixture + ', ' + testFunction + ') {');
   if (testGenPreamble)
     testGenPreamble(testFixture, testFunction);
   print('  AddLibrary(FilePath(FILE_PATH_LITERAL("' +
       jsFileBase.replace(/\\/g, '/') + '")));');
   if (browsePreload) {
     print('  BrowsePreload(GURL("' + browsePreload + '"), "' + testFixture +
           '", "' + testFunction + '");');
     }
   if (browsePrintPreload) {
     print('  BrowsePrintPreload(GURL(WebUITestDataPathToURL(\n' +
           '      FILE_PATH_LITERAL("' + browsePrintPreload + '"))),\n' +
           '      "' + testFixture + '", "' + testFunction + '");');
   }
-  print('  ' + testPredicate + '(RunJavascriptTestF(' + isAsync + ', ' +
+  print('  ' + testPredicate + '(RunJavascriptTestF(' + isAsyncParam +
         '"' + testFixture + '", ' +
         '"' + testFunction + '"));');
   if (testGenPostamble)
     testGenPostamble(testFixture, testFunction);
   print('}');
   print();
 }
 
 var js = read(jsFile);
 eval(js);