Support automatically resolving dependencies in javascript tests.

chrome/test/base/web_ui_browsertest.cc

Index: chrome/test/base/web_ui_browsertest.cc
diff --git a/chrome/test/base/web_ui_browsertest.cc b/chrome/test/base/web_ui_browsertest.cc
deleted file mode 100644
index 1f874e2df74bb126c398c582bed732599dab5100..0000000000000000000000000000000000000000
--- a/chrome/test/base/web_ui_browsertest.cc
+++ /dev/null
@@ -1,816 +0,0 @@
-// Copyright (c) 2012 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.
-
-#include "chrome/test/base/web_ui_browsertest.h"
-
-#include <string>
-#include <vector>
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/lazy_instance.h"
-#include "base/memory/ref_counted_memory.h"
-#include "base/path_service.h"
-#include "base/strings/string_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/values.h"
-#include "chrome/browser/chrome_content_browser_client.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/browser_commands.h"
-#include "chrome/browser/ui/browser_navigator.h"
-#include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
-#include "chrome/browser/ui/webui/web_ui_test_handler.h"
-#include "chrome/common/chrome_paths.h"
-#include "chrome/common/url_constants.h"
-#include "chrome/test/base/test_chrome_web_ui_controller_factory.h"
-#include "chrome/test/base/ui_test_utils.h"
-#include "content/public/browser/navigation_controller.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/notification_types.h"
-#include "content/public/browser/url_data_source.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_contents_observer.h"
-#include "content/public/browser/web_ui_controller.h"
-#include "content/public/browser/web_ui_message_handler.h"
-#include "content/public/test/browser_test_utils.h"
-#include "content/public/test/test_navigation_observer.h"
-#include "net/base/filename_util.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest-spi.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/base/resource/resource_handle.h"
-
-#if defined(ENABLE_FULL_PRINTING)
-#include "chrome/browser/printing/print_preview_dialog_controller.h"
-#endif
-
-using content::NavigationController;
-using content::RenderViewHost;
-using content::WebContents;
-using content::WebUIController;
-using content::WebUIMessageHandler;
-
-namespace {
-
-const base::FilePath::CharType kA11yAuditLibraryJSPath[] = FILE_PATH_LITERAL(
-    "third_party/accessibility-audit/axs_testing.js");
-const base::FilePath::CharType kMockJSPath[] =
-    FILE_PATH_LITERAL("chrome/third_party/mock4js/mock4js.js");
-const base::FilePath::CharType kWebUILibraryJS[] =
-    FILE_PATH_LITERAL("test_api.js");
-const base::FilePath::CharType kWebUITestFolder[] = FILE_PATH_LITERAL("webui");
-base::LazyInstance<std::vector<std::string> > error_messages_ =
-    LAZY_INSTANCE_INITIALIZER;
-
-// Intercepts all log messages.
-bool LogHandler(int severity,
-                const char* file,
-                int line,
-                size_t message_start,
-                const std::string& str) {
-  if (severity == logging::LOG_ERROR &&
-      file &&
-      std::string("CONSOLE") == file) {
-    error_messages_.Get().push_back(str);
-  }
-
-  return false;
-}
-
-class WebUIJsInjectionReadyObserver : public content::WebContentsObserver {
- public:
-  WebUIJsInjectionReadyObserver(content::WebContents* web_contents,
-                                WebUIBrowserTest* browser_test,
-                                const std::string& preload_test_fixture,
-                                const std::string& preload_test_name)
-      : content::WebContentsObserver(web_contents),
-        browser_test_(browser_test),
-        preload_test_fixture_(preload_test_fixture),
-        preload_test_name_(preload_test_name) {}
-
-  virtual void RenderViewCreated(content::RenderViewHost* rvh) OVERRIDE {
-    browser_test_->PreLoadJavascriptLibraries(
-        preload_test_fixture_, preload_test_name_, rvh);
-  }
-
- private:
-  WebUIBrowserTest* browser_test_;
-  std::string preload_test_fixture_;
-  std::string preload_test_name_;
-};
-
-}  // namespace
-
-WebUIBrowserTest::~WebUIBrowserTest() {}
-
-void WebUIBrowserTest::AddLibrary(const base::FilePath& library_path) {
-  user_libraries_.push_back(library_path);
-}
-
-bool WebUIBrowserTest::RunJavascriptFunction(const std::string& function_name) {
-  ConstValueVector empty_args;
-  return RunJavascriptFunction(function_name, empty_args);
-}
-
-bool WebUIBrowserTest::RunJavascriptFunction(const std::string& function_name,
-                                             base::Value* arg) {
-  ConstValueVector args;
-  args.push_back(arg);
-  return RunJavascriptFunction(function_name, args);
-}
-
-bool WebUIBrowserTest::RunJavascriptFunction(const std::string& function_name,
-                                             base::Value* arg1,
-                                             base::Value* arg2) {
-  ConstValueVector args;
-  args.push_back(arg1);
-  args.push_back(arg2);
-  return RunJavascriptFunction(function_name, args);
-}
-
-bool WebUIBrowserTest::RunJavascriptFunction(
-    const std::string& function_name,
-    const ConstValueVector& function_arguments) {
-  return RunJavascriptUsingHandler(
-      function_name, function_arguments, false, false, NULL);
-}
-
-bool WebUIBrowserTest::RunJavascriptTestF(bool is_async,
-                                          const std::string& test_fixture,
-                                          const std::string& test_name) {
-  ConstValueVector args;
-  args.push_back(new base::StringValue(test_fixture));
-  args.push_back(new base::StringValue(test_name));
-
-  if (is_async)
-    return RunJavascriptAsyncTest("RUN_TEST_F", args);
-  else
-    return RunJavascriptTest("RUN_TEST_F", args);
-}
-
-bool WebUIBrowserTest::RunJavascriptTest(const std::string& test_name) {
-  ConstValueVector empty_args;
-  return RunJavascriptTest(test_name, empty_args);
-}
-
-bool WebUIBrowserTest::RunJavascriptTest(const std::string& test_name,
-                                         base::Value* arg) {
-  ConstValueVector args;
-  args.push_back(arg);
-  return RunJavascriptTest(test_name, args);
-}
-
-bool WebUIBrowserTest::RunJavascriptTest(const std::string& test_name,
-                                         base::Value* arg1,
-                                         base::Value* arg2) {
-  ConstValueVector args;
-  args.push_back(arg1);
-  args.push_back(arg2);
-  return RunJavascriptTest(test_name, args);
-}
-
-bool WebUIBrowserTest::RunJavascriptTest(
-    const std::string& test_name,
-    const ConstValueVector& test_arguments) {
-  return RunJavascriptUsingHandler(
-      test_name, test_arguments, true, false, NULL);
-}
-
-bool WebUIBrowserTest::RunJavascriptAsyncTest(const std::string& test_name) {
-  ConstValueVector empty_args;
-  return RunJavascriptAsyncTest(test_name, empty_args);
-}
-
-bool WebUIBrowserTest::RunJavascriptAsyncTest(const std::string& test_name,
-                                              base::Value* arg) {
-  ConstValueVector args;
-  args.push_back(arg);
-  return RunJavascriptAsyncTest(test_name, args);
-}
-
-bool WebUIBrowserTest::RunJavascriptAsyncTest(const std::string& test_name,
-                                              base::Value* arg1,
-                                              base::Value* arg2) {
-  ConstValueVector args;
-  args.push_back(arg1);
-  args.push_back(arg2);
-  return RunJavascriptAsyncTest(test_name, args);
-}
-
-bool WebUIBrowserTest::RunJavascriptAsyncTest(const std::string& test_name,
-                                              base::Value* arg1,
-                                              base::Value* arg2,
-                                              base::Value* arg3) {
-  ConstValueVector args;
-  args.push_back(arg1);
-  args.push_back(arg2);
-  args.push_back(arg3);
-  return RunJavascriptAsyncTest(test_name, args);
-}
-
-bool WebUIBrowserTest::RunJavascriptAsyncTest(
-    const std::string& test_name,
-    const ConstValueVector& test_arguments) {
-  return RunJavascriptUsingHandler(test_name, test_arguments, true, true, NULL);
-}
-
-void WebUIBrowserTest::PreLoadJavascriptLibraries(
-    const std::string& preload_test_fixture,
-    const std::string& preload_test_name,
-    RenderViewHost* preload_host) {
-  ASSERT_FALSE(libraries_preloaded_);
-  ConstValueVector args;
-  args.push_back(new base::StringValue(preload_test_fixture));
-  args.push_back(new base::StringValue(preload_test_name));
-  RunJavascriptUsingHandler(
-      "preloadJavascriptLibraries", args, false, false, preload_host);
-  libraries_preloaded_ = true;
-}
-
-void WebUIBrowserTest::BrowsePreload(const GURL& browse_to) {
-  content::WebContents* web_contents =
-      browser()->tab_strip_model()->GetActiveWebContents();
-  WebUIJsInjectionReadyObserver injection_observer(
-      web_contents, this, preload_test_fixture_, preload_test_name_);
-  content::TestNavigationObserver navigation_observer(web_contents);
-  chrome::NavigateParams params(browser(), GURL(browse_to),
-                                content::PAGE_TRANSITION_TYPED);
-  params.disposition = CURRENT_TAB;
-  chrome::Navigate(&params);
-  navigation_observer.Wait();
-}
-
-#if defined(ENABLE_FULL_PRINTING)
-
-// This custom ContentBrowserClient is used to get notified when a WebContents
-// for the print preview dialog gets created.
-class PrintContentBrowserClient : public chrome::ChromeContentBrowserClient {
- public:
-  PrintContentBrowserClient(WebUIBrowserTest* browser_test,
-                            const std::string& preload_test_fixture,
-                            const std::string& preload_test_name)
-      : browser_test_(browser_test),
-        preload_test_fixture_(preload_test_fixture),
-        preload_test_name_(preload_test_name),
-        preview_dialog_(NULL),
-        message_loop_runner_(new content::MessageLoopRunner) {}
-
-  void Wait() {
-    message_loop_runner_->Run();
-    content::WaitForLoadStop(preview_dialog_);
-  }
-
- private:
-  // ChromeContentBrowserClient implementation:
-  virtual content::WebContentsViewDelegate* GetWebContentsViewDelegate(
-      content::WebContents* web_contents) OVERRIDE {
-    preview_dialog_ = web_contents;
-    observer_.reset(new WebUIJsInjectionReadyObserver(
-        preview_dialog_, browser_test_, preload_test_fixture_,
-        preload_test_name_));
-    message_loop_runner_->Quit();
-    return NULL;
-  }
-
-  WebUIBrowserTest* browser_test_;
-  scoped_ptr<WebUIJsInjectionReadyObserver> observer_;
-  std::string preload_test_fixture_;
-  std::string preload_test_name_;
-  content::WebContents* preview_dialog_;
-  scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
-};
-#endif
-
-void WebUIBrowserTest::BrowsePrintPreload(const GURL& browse_to) {
-#if defined(ENABLE_FULL_PRINTING)
-  ui_test_utils::NavigateToURL(browser(), browse_to);
-
-  PrintContentBrowserClient new_client(
-      this, preload_test_fixture_, preload_test_name_);
-  content::ContentBrowserClient* old_client =
-      SetBrowserClientForTesting(&new_client);
-
-  chrome::Print(browser());
-  new_client.Wait();
-
-  SetBrowserClientForTesting(old_client);
-
-  printing::PrintPreviewDialogController* tab_controller =
-      printing::PrintPreviewDialogController::GetInstance();
-  ASSERT_TRUE(tab_controller);
-  WebContents* preview_dialog = tab_controller->GetPrintPreviewForContents(
-      browser()->tab_strip_model()->GetActiveWebContents());
-  ASSERT_TRUE(preview_dialog);
-  SetWebUIInstance(preview_dialog->GetWebUI());
-#else
-  NOTREACHED();
-#endif
-}
-
-const char WebUIBrowserTest::kDummyURL[] = "chrome://DummyURL";
-
-WebUIBrowserTest::WebUIBrowserTest()
-    : test_handler_(new WebUITestHandler()),
-      libraries_preloaded_(false),
-      override_selected_web_ui_(NULL) {}
-
-void WebUIBrowserTest::set_preload_test_fixture(
-    const std::string& preload_test_fixture) {
-  preload_test_fixture_ = preload_test_fixture;
-}
-
-void WebUIBrowserTest::set_preload_test_name(
-    const std::string& preload_test_name) {
-  preload_test_name_ = preload_test_name;
-}
-
-namespace {
-
-// DataSource for the dummy URL.  If no data source is provided then an error
-// page is shown. While this doesn't matter for most tests, without it,
-// navigation to different anchors cannot be listened to (via the hashchange
-// event).
-class MockWebUIDataSource : public content::URLDataSource {
- public:
-  MockWebUIDataSource() {}
-
- private:
-  virtual ~MockWebUIDataSource() {}
-
-  virtual std::string GetSource() const OVERRIDE {
-    return "dummyurl";
-  }
-
-  virtual void StartDataRequest(
-      const std::string& path,
-      int render_process_id,
-      int render_frame_id,
-      const content::URLDataSource::GotDataCallback& callback) OVERRIDE {
-    std::string dummy_html = "<html><body>Dummy</body></html>";
-    scoped_refptr<base::RefCountedString> response =
-        base::RefCountedString::TakeString(&dummy_html);
-    callback.Run(response.get());
-  }
-
-  virtual std::string GetMimeType(const std::string& path) const OVERRIDE {
-    return "text/html";
-  }
-
-  DISALLOW_COPY_AND_ASSIGN(MockWebUIDataSource);
-};
-
-// WebUIProvider to allow attaching the DataSource for the dummy URL when
-// testing.
-class MockWebUIProvider
-    : public TestChromeWebUIControllerFactory::WebUIProvider {
- public:
-  MockWebUIProvider() {}
-
-  // Returns a new WebUI
-  virtual WebUIController* NewWebUI(content::WebUI* web_ui,
-                                    const GURL& url) OVERRIDE {
-    WebUIController* controller = new content::WebUIController(web_ui);
-    Profile* profile = Profile::FromWebUI(web_ui);
-    content::URLDataSource::Add(profile, new MockWebUIDataSource());
-    return controller;
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(MockWebUIProvider);
-};
-
-base::LazyInstance<MockWebUIProvider> mock_provider_ =
-    LAZY_INSTANCE_INITIALIZER;
-
-}  // namespace
-
-void WebUIBrowserTest::SetUpOnMainThread() {
-  logging::SetLogMessageHandler(&LogHandler);
-
-  content::WebUIControllerFactory::UnregisterFactoryForTesting(
-      ChromeWebUIControllerFactory::GetInstance());
-
-  test_factory_.reset(new TestChromeWebUIControllerFactory);
-
-  content::WebUIControllerFactory::RegisterFactory(test_factory_.get());
-
-  test_factory_->AddFactoryOverride(
-      GURL(kDummyURL).host(), mock_provider_.Pointer());
-
-  base::FilePath test_data_directory;
-  ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_data_directory));
-  test_data_directory = test_data_directory.Append(kWebUITestFolder);
-  library_search_paths_.push_back(test_data_directory);
-
-  base::FilePath gen_test_data_directory;
-  ASSERT_TRUE(PathService::Get(chrome::DIR_GEN_TEST_DATA,
-                               &gen_test_data_directory));
-  library_search_paths_.push_back(gen_test_data_directory);
-
-  base::FilePath source_root_directory;
-  ASSERT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &source_root_directory));
-  library_search_paths_.push_back(source_root_directory);
-
-  // TODO(dtseng): should this be part of every BrowserTest or just WebUI test.
-  base::FilePath resources_pack_path;
-  PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
-  ResourceBundle::GetSharedInstance().AddDataPackFromPath(
-      resources_pack_path, ui::SCALE_FACTOR_NONE);
-
-  AddLibrary(base::FilePath(kA11yAuditLibraryJSPath));
-  AddLibrary(base::FilePath(kMockJSPath));
-  AddLibrary(base::FilePath(kWebUILibraryJS));
-}
-
-void WebUIBrowserTest::CleanUpOnMainThread() {
-  logging::SetLogMessageHandler(NULL);
-
-  test_factory_->RemoveFactoryOverride(GURL(kDummyURL).host());
-  content::WebUIControllerFactory::UnregisterFactoryForTesting(
-      test_factory_.get());
-
-  // This is needed to avoid a debug assert after the test completes, see stack
-  // trace in http://crrev.com/179347
-  content::WebUIControllerFactory::RegisterFactory(
-      ChromeWebUIControllerFactory::GetInstance());
-
-  test_factory_.reset();
-}
-
-void WebUIBrowserTest::SetWebUIInstance(content::WebUI* web_ui) {
-  override_selected_web_ui_ = web_ui;
-}
-
-WebUIMessageHandler* WebUIBrowserTest::GetMockMessageHandler() {
-  return NULL;
-}
-
-GURL WebUIBrowserTest::WebUITestDataPathToURL(
-    const base::FilePath::StringType& path) {
-  base::FilePath dir_test_data;
-  EXPECT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &dir_test_data));
-  base::FilePath test_path(dir_test_data.Append(kWebUITestFolder).Append(path));
-  EXPECT_TRUE(base::PathExists(test_path));
-  return net::FilePathToFileURL(test_path);
-}
-
-void WebUIBrowserTest::BuildJavascriptLibraries(
-    std::vector<base::string16>* libraries) {
-  ASSERT_TRUE(libraries != NULL);
-  std::vector<base::FilePath>::iterator user_libraries_iterator;
-  for (user_libraries_iterator = user_libraries_.begin();
-       user_libraries_iterator != user_libraries_.end();
-       ++user_libraries_iterator) {
-    std::string library_content;
-    if (user_libraries_iterator->IsAbsolute()) {
-      ASSERT_TRUE(base::ReadFileToString(*user_libraries_iterator,
-                                              &library_content))
-          << user_libraries_iterator->value();
-    } else {
-      bool ok = false;
-      std::vector<base::FilePath>::iterator library_search_path_iterator;
-      for (library_search_path_iterator = library_search_paths_.begin();
-           library_search_path_iterator != library_search_paths_.end();
-           ++library_search_path_iterator) {
-        ok = base::ReadFileToString(
-            base::MakeAbsoluteFilePath(
-                library_search_path_iterator->Append(*user_libraries_iterator)),
-            &library_content);
-        if (ok)
-          break;
-      }
-      ASSERT_TRUE(ok) << "User library not found: "
-                      << user_libraries_iterator->value();
-    }
-    library_content.append(";\n");
-
-    // This magic code puts filenames in stack traces.
-    library_content.append("//# sourceURL=");
-    library_content.append(user_libraries_iterator->BaseName().AsUTF8Unsafe());
-    library_content.append("\n");
-    libraries->push_back(base::UTF8ToUTF16(library_content));
-  }
-}
-
-base::string16 WebUIBrowserTest::BuildRunTestJSCall(
-    bool is_async,
-    const std::string& function_name,
-    const WebUIBrowserTest::ConstValueVector& test_func_args) {
-  ConstValueVector arguments;
-  base::FundamentalValue* is_async_arg = new base::FundamentalValue(is_async);
-  arguments.push_back(is_async_arg);
-  base::StringValue* function_name_arg = new base::StringValue(function_name);
-  arguments.push_back(function_name_arg);
-  base::ListValue* baked_argument_list = new base::ListValue();
-  ConstValueVector::const_iterator arguments_iterator;
-  for (arguments_iterator = test_func_args.begin();
-       arguments_iterator != test_func_args.end();
-       ++arguments_iterator) {
-    baked_argument_list->Append((*arguments_iterator)->DeepCopy());
-  }
-  arguments.push_back(baked_argument_list);
-  return content::WebUI::GetJavascriptCall(std::string("runTest"),
-                                           arguments.get());
-}
-
-bool WebUIBrowserTest::RunJavascriptUsingHandler(
-    const std::string& function_name,
-    const ConstValueVector& function_arguments,
-    bool is_test,
-    bool is_async,
-    RenderViewHost* preload_host) {
-  // Get the user libraries. Preloading them individually is best, then
-  // we can assign each one a filename for better stack traces. Otherwise
-  // append them all to |content|.
-  base::string16 content;
-  std::vector<base::string16> libraries;
-  if (!libraries_preloaded_) {
-    BuildJavascriptLibraries(&libraries);
-    if (!preload_host) {
-      content = JoinString(libraries, '\n');
-      libraries.clear();
-    }
-  }
-
-  if (!function_name.empty()) {
-    base::string16 called_function;
-    if (is_test) {
-      called_function =
-          BuildRunTestJSCall(is_async, function_name, function_arguments);
-    } else {
-      called_function =
-          content::WebUI::GetJavascriptCall(function_name,
-                                            function_arguments.get());
-    }
-    content.append(called_function);
-  }
-
-  if (!preload_host)
-    SetupHandlers();
-
-  bool result = true;
-
-  for (size_t i = 0; i < libraries.size(); ++i)
-    test_handler_->PreloadJavaScript(libraries[i], preload_host);
-
-  if (is_test)
-    result = test_handler_->RunJavaScriptTestWithResult(content);
-  else if (preload_host)
-    test_handler_->PreloadJavaScript(content, preload_host);
-  else
-    test_handler_->RunJavaScript(content);
-
-  if (error_messages_.Get().size() > 0) {
-    LOG(ERROR) << "Encountered javascript console error(s)";
-    result = false;
-    error_messages_.Get().clear();
-  }
-  return result;
-}
-
-void WebUIBrowserTest::SetupHandlers() {
-  content::WebUI* web_ui_instance = override_selected_web_ui_ ?
-      override_selected_web_ui_ :
-      browser()->tab_strip_model()->GetActiveWebContents()->GetWebUI();
-  ASSERT_TRUE(web_ui_instance != NULL);
-
-  test_handler_->set_web_ui(web_ui_instance);
-  test_handler_->RegisterMessages();
-
-  if (GetMockMessageHandler()) {
-    GetMockMessageHandler()->set_web_ui(web_ui_instance);
-    GetMockMessageHandler()->RegisterMessages();
-  }
-}
-
-// According to the interface for EXPECT_FATAL_FAILURE
-// (http://code.google.com/p/googletest/wiki/AdvancedGuide#Catching_Failures)
-// the statement must be statically available. Therefore, we make a static
-// global s_test_ which should point to |this| for the duration of the test run
-// and be cleared afterward.
-class WebUIBrowserExpectFailTest : public WebUIBrowserTest {
- public:
-  WebUIBrowserExpectFailTest() {
-    EXPECT_FALSE(s_test_);
-    s_test_ = this;
-  }
-
- protected:
-  virtual ~WebUIBrowserExpectFailTest() {
-    EXPECT_TRUE(s_test_);
-    s_test_ = NULL;
-  }
-
-  static void RunJavascriptTestNoReturn(const std::string& testname) {
-    EXPECT_TRUE(s_test_);
-    s_test_->RunJavascriptTest(testname);
-  }
-
-  static void RunJavascriptAsyncTestNoReturn(const std::string& testname) {
-    EXPECT_TRUE(s_test_);
-    s_test_->RunJavascriptAsyncTest(testname);
-  }
-
- private:
-  static WebUIBrowserTest* s_test_;
-};
-
-WebUIBrowserTest* WebUIBrowserExpectFailTest::s_test_ = NULL;
-
-// Test that bogus javascript fails fast - no timeout waiting for result.
-IN_PROC_BROWSER_TEST_F(WebUIBrowserExpectFailTest, TestFailsFast) {
-  AddLibrary(base::FilePath(FILE_PATH_LITERAL("sample_downloads.js")));
-  ui_test_utils::NavigateToURL(browser(), GURL(chrome::kChromeUIDownloadsURL));
-  EXPECT_FATAL_FAILURE(RunJavascriptTestNoReturn("DISABLED_BogusFunctionName"),
-                       "WebUITestHandler::JavaScriptComplete");
-}
-
-// Test that bogus javascript fails fast - no timeout waiting for result.
-IN_PROC_BROWSER_TEST_F(WebUIBrowserExpectFailTest, TestRuntimeErrorFailsFast) {
-  AddLibrary(base::FilePath(FILE_PATH_LITERAL("runtime_error.js")));
-  ui_test_utils::NavigateToURL(browser(), GURL(kDummyURL));
-  EXPECT_FATAL_FAILURE(RunJavascriptTestNoReturn("TestRuntimeErrorFailsFast"),
-                       "WebUITestHandler::JavaScriptComplete");
-}
-
-// Test that bogus javascript fails async test fast as well - no timeout waiting
-// for result.
-IN_PROC_BROWSER_TEST_F(WebUIBrowserExpectFailTest, TestFailsAsyncFast) {
-  AddLibrary(base::FilePath(FILE_PATH_LITERAL("sample_downloads.js")));
-  ui_test_utils::NavigateToURL(browser(), GURL(chrome::kChromeUIDownloadsURL));
-  EXPECT_FATAL_FAILURE(
-      RunJavascriptAsyncTestNoReturn("DISABLED_BogusFunctionName"),
-      "WebUITestHandler::JavaScriptComplete");
-}
-
-// Tests that the async framework works.
-class WebUIBrowserAsyncTest : public WebUIBrowserTest {
- public:
-  // Calls the testDone() function from test_api.js
-  void TestDone() {
-    RunJavascriptFunction("testDone");
-  }
-
-  // Starts a failing test.
-  void RunTestFailsAssert() {
-    RunJavascriptFunction("runAsync", new base::StringValue("testFailsAssert"));
-  }
-
-  // Starts a passing test.
-  void RunTestPasses() {
-    RunJavascriptFunction("runAsync", new base::StringValue("testPasses"));
-  }
-
- protected:
-  WebUIBrowserAsyncTest() {}
-
-  // Class to synchronize asynchronous javascript activity with the tests.
-  class AsyncWebUIMessageHandler : public WebUIMessageHandler {
-   public:
-    AsyncWebUIMessageHandler() {}
-
-    MOCK_METHOD1(HandleTestContinues, void(const base::ListValue*));
-    MOCK_METHOD1(HandleTestFails, void(const base::ListValue*));
-    MOCK_METHOD1(HandleTestPasses, void(const base::ListValue*));
-
-   private:
-    virtual void RegisterMessages() OVERRIDE {
-      web_ui()->RegisterMessageCallback("startAsyncTest",
-          base::Bind(&AsyncWebUIMessageHandler::HandleStartAsyncTest,
-                     base::Unretained(this)));
-      web_ui()->RegisterMessageCallback("testContinues",
-          base::Bind(&AsyncWebUIMessageHandler::HandleTestContinues,
-                     base::Unretained(this)));
-      web_ui()->RegisterMessageCallback("testFails",
-          base::Bind(&AsyncWebUIMessageHandler::HandleTestFails,
-                     base::Unretained(this)));
-      web_ui()->RegisterMessageCallback("testPasses",
-          base::Bind(&AsyncWebUIMessageHandler::HandleTestPasses,
-                     base::Unretained(this)));
-    }
-
-    // Starts the test in |list_value|[0] with the runAsync wrapper.
-    void HandleStartAsyncTest(const base::ListValue* list_value) {
-      const base::Value* test_name;
-      ASSERT_TRUE(list_value->Get(0, &test_name));
-      web_ui()->CallJavascriptFunction("runAsync", *test_name);
-    }
-
-    DISALLOW_COPY_AND_ASSIGN(AsyncWebUIMessageHandler);
-  };
-
-  // Handler for this object.
-  ::testing::StrictMock<AsyncWebUIMessageHandler> message_handler_;
-
- private:
-  // Provide this object's handler.
-  virtual WebUIMessageHandler* GetMockMessageHandler() OVERRIDE {
-    return &message_handler_;
-  }
-
-  // Set up and browse to kDummyURL for all tests.
-  virtual void SetUpOnMainThread() OVERRIDE {
-    WebUIBrowserTest::SetUpOnMainThread();
-    AddLibrary(base::FilePath(FILE_PATH_LITERAL("async.js")));
-    ui_test_utils::NavigateToURL(browser(), GURL(kDummyURL));
-  }
-
-  DISALLOW_COPY_AND_ASSIGN(WebUIBrowserAsyncTest);
-};
-
-// Test that assertions fail immediately after assertion fails (no testContinues
-// message). (Sync version).
-IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestSyncOkTestFail) {
-  ASSERT_FALSE(RunJavascriptTest("testFailsAssert"));
-}
-
-// Test that assertions fail immediately after assertion fails (no testContinues
-// message). (Async version).
-IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestAsyncFailsAssert) {
-  EXPECT_CALL(message_handler_, HandleTestFails(::testing::_));
-  ASSERT_FALSE(RunJavascriptAsyncTest(
-      "startAsyncTest", new base::StringValue("testFailsAssert")));
-}
-
-// Test that expectations continue the function, but fail the test.
-IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestAsyncFailsExpect) {
-  ::testing::InSequence s;
-  EXPECT_CALL(message_handler_, HandleTestContinues(::testing::_));
-  EXPECT_CALL(message_handler_, HandleTestFails(::testing::_));
-  ASSERT_FALSE(RunJavascriptAsyncTest(
-      "startAsyncTest", new base::StringValue("testFailsExpect")));
-}
-
-// Test that test continues and passes. (Sync version).
-IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestSyncPasses) {
-  EXPECT_CALL(message_handler_, HandleTestContinues(::testing::_));
-  ASSERT_TRUE(RunJavascriptTest("testPasses"));
-}
-
-// Test that test continues and passes. (Async version).
-IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestAsyncPasses) {
-  ::testing::InSequence s;
-  EXPECT_CALL(message_handler_, HandleTestContinues(::testing::_));
-  EXPECT_CALL(message_handler_, HandleTestPasses(::testing::_))
-      .WillOnce(::testing::InvokeWithoutArgs(
-          this, &WebUIBrowserAsyncTest::TestDone));
-  ASSERT_TRUE(RunJavascriptAsyncTest(
-      "startAsyncTest", new base::StringValue("testPasses")));
-}
-
-// Test that two tests pass.
-IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestAsyncPassPass) {
-  ::testing::InSequence s;
-  EXPECT_CALL(message_handler_, HandleTestContinues(::testing::_));
-  EXPECT_CALL(message_handler_, HandleTestPasses(::testing::_))
-      .WillOnce(::testing::InvokeWithoutArgs(
-          this, &WebUIBrowserAsyncTest::RunTestPasses));
-  EXPECT_CALL(message_handler_, HandleTestContinues(::testing::_));
-  EXPECT_CALL(message_handler_, HandleTestPasses(::testing::_))
-      .WillOnce(::testing::InvokeWithoutArgs(
-          this, &WebUIBrowserAsyncTest::TestDone));
-  ASSERT_TRUE(RunJavascriptAsyncTest(
-      "startAsyncTest", new base::StringValue("testPasses")));
-}
-
-// Test that first test passes; second fails.
-IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestAsyncPassThenFail) {
-  ::testing::InSequence s;
-  EXPECT_CALL(message_handler_, HandleTestContinues(::testing::_));
-  EXPECT_CALL(message_handler_, HandleTestPasses(::testing::_))
-      .WillOnce(::testing::InvokeWithoutArgs(
-          this, &WebUIBrowserAsyncTest::RunTestFailsAssert));
-  EXPECT_CALL(message_handler_, HandleTestFails(::testing::_));
-  ASSERT_FALSE(RunJavascriptAsyncTest(
-      "startAsyncTest", new base::StringValue("testPasses")));
-}
-
-// Test that testDone() with failure first then sync pass still fails.
-IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestAsyncDoneFailFirstSyncPass) {
-  ::testing::InSequence s;
-  EXPECT_CALL(message_handler_, HandleTestContinues(::testing::_));
-  EXPECT_CALL(message_handler_, HandleTestFails(::testing::_));
-
-  // Call runAsync directly instead of deferring through startAsyncTest. It will
-  // call testDone() on failure, then return.
-  ASSERT_FALSE(RunJavascriptAsyncTest(
-      "runAsync", new base::StringValue("testAsyncDoneFailFirstSyncPass")));
-}
-
-// Test that calling testDone during RunJavascriptAsyncTest still completes
-// when waiting for async result. This is similar to the previous test, but call
-// testDone directly and expect pass result.
-IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestTestDoneEarlyPassesAsync) {
-  ASSERT_TRUE(RunJavascriptAsyncTest("testDone"));
-}
-
-// Test that calling testDone during RunJavascriptTest still completes when
-// waiting for async result.
-IN_PROC_BROWSER_TEST_F(WebUIBrowserAsyncTest, TestTestDoneEarlyPasses) {
-  ASSERT_TRUE(RunJavascriptTest("testDone"));
-}