chrome/browser/extensions/window_open_apitest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/command_line.h"
   6 #include "base/memory/scoped_vector.h"
   7 #include "base/path_service.h"
   8 #include "base/strings/stringprintf.h"
   9 #include "chrome/browser/extensions/extension_apitest.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/browser/ui/browser.h"
  12 #include "chrome/browser/ui/browser_finder.h"
  13 #include "chrome/browser/ui/browser_iterator.h"
  14 #include "chrome/browser/ui/panels/panel_manager.h"
  15 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  16 #include "chrome/common/chrome_paths.h"
  17 #include "chrome/common/chrome_switches.h"
  18 #include "chrome/test/base/test_switches.h"
  19 #include "chrome/test/base/ui_test_utils.h"
  20 #include "content/public/browser/render_process_host.h"
  21 #include "content/public/browser/web_contents.h"
  22 #include "content/public/common/result_codes.h"
  23 #include "content/public/common/url_constants.h"
  24 #include "content/public/test/browser_test_utils.h"
  25 #include "extensions/browser/extension_host.h"
  26 #include "extensions/browser/process_manager.h"
  27 #include "extensions/common/constants.h"
  28 #include "extensions/common/extension.h"
  29 #include "extensions/common/switches.h"
  30 #include "extensions/test/extension_test_message_listener.h"
  31 #include "extensions/test/result_catcher.h"
  32 #include "net/dns/mock_host_resolver.h"
  33 #include "net/test/embedded_test_server/embedded_test_server.h"
  34 #include "testing/gtest/include/gtest/gtest.h"
  35
  36 #if defined(USE_ASH)
  37 #include "extensions/browser/app_window/app_window_registry.h"
  38 #endif
  39
  40 #if defined(USE_ASH) && defined(OS_CHROMEOS)
  41 // TODO(stevenjb): Figure out the correct behavior for Ash + Win
  42 #define USE_ASH_PANELS
  43 #endif
  44
  45 using content::OpenURLParams;
  46 using content::Referrer;
  47 using content::WebContents;
  48
  49 // The test uses the chrome.browserAction.openPopup API, which requires that the
  50 // window can automatically be activated.
  51 // See comments at BrowserActionInteractiveTest::ShouldRunPopupTest
  52 #if defined(OS_MACOSX)
  53 #define MAYBE_WindowOpen DISABLED_WindowOpen
  54 #else
  55 #define MAYBE_WindowOpen WindowOpen
  56 #endif
  57 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MAYBE_WindowOpen) {
  58   extensions::ResultCatcher catcher;
  59   ASSERT_TRUE(LoadExtensionIncognito(test_data_dir_
  60       .AppendASCII("window_open").AppendASCII("spanning")));
  61   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
  62 }
  63
  64 int GetPanelCount(Browser* browser) {
  65 #if defined(USE_ASH_PANELS)
  66   return static_cast<int>(extensions::AppWindowRegistry::Get(
  67       browser->profile())->app_windows().size());
  68 #else
  69   return PanelManager::GetInstance()->num_panels();
  70 #endif
  71 }
  72
  73 bool WaitForTabsAndPopups(Browser* browser,
  74                           int num_tabs,
  75                           int num_popups,
  76                           int num_panels) {
  77   SCOPED_TRACE(
  78       base::StringPrintf("WaitForTabsAndPopups tabs:%d, popups:%d, panels:%d",
  79                          num_tabs, num_popups, num_panels));
  80   // We start with one tab and one browser already open.
  81   ++num_tabs;
  82   size_t num_browsers = static_cast<size_t>(num_popups) + 1;
  83
  84   const base::TimeDelta kWaitTime = base::TimeDelta::FromSeconds(10);
  85   base::TimeTicks end_time = base::TimeTicks::Now() + kWaitTime;
  86   while (base::TimeTicks::Now() < end_time) {
  87     if (chrome::GetBrowserCount(browser->profile(),
  88                                 browser->host_desktop_type()) == num_browsers &&
  89         browser->tab_strip_model()->count() == num_tabs &&
  90         GetPanelCount(browser) == num_panels)
  91       break;
  92
  93     content::RunAllPendingInMessageLoop();
  94   }
  95
  96   EXPECT_EQ(num_browsers,
  97             chrome::GetBrowserCount(browser->profile(),
  98                                     browser->host_desktop_type()));
  99   EXPECT_EQ(num_tabs, browser->tab_strip_model()->count());
 100   EXPECT_EQ(num_panels, GetPanelCount(browser));
 101
 102   int num_popups_seen = 0;
 103   for (chrome::BrowserIterator iter; !iter.done(); iter.Next()) {
 104     if (*iter == browser)
 105       continue;
 106
 107     EXPECT_TRUE((*iter)->is_type_popup());
 108     ++num_popups_seen;
 109   }
 110   EXPECT_EQ(num_popups, num_popups_seen);
 111
 112   return ((num_browsers ==
 113                chrome::GetBrowserCount(browser->profile(),
 114                                        browser->host_desktop_type())) &&
 115           (num_tabs == browser->tab_strip_model()->count()) &&
 116           (num_panels == GetPanelCount(browser)) &&
 117           (num_popups == num_popups_seen));
 118 }
 119
 120 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, BrowserIsApp) {
 121   host_resolver()->AddRule("a.com", "127.0.0.1");
 122   ASSERT_TRUE(StartEmbeddedTestServer());
 123   ASSERT_TRUE(LoadExtension(
 124       test_data_dir_.AppendASCII("window_open").AppendASCII("browser_is_app")));
 125
 126   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 0, 2, 0));
 127
 128   for (chrome::BrowserIterator iter; !iter.done(); iter.Next()) {
 129     if (*iter == browser())
 130       ASSERT_FALSE(iter->is_app());
 131     else
 132       ASSERT_TRUE(iter->is_app());
 133   }
 134 }
 135
 136 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, WindowOpenPopupDefault) {
 137   ASSERT_TRUE(StartEmbeddedTestServer());
 138   ASSERT_TRUE(LoadExtension(
 139       test_data_dir_.AppendASCII("window_open").AppendASCII("popup")));
 140
 141   const int num_tabs = 1;
 142   const int num_popups = 0;
 143   EXPECT_TRUE(WaitForTabsAndPopups(browser(), num_tabs, num_popups, 0));
 144 }
 145
 146 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, WindowOpenPopupIframe) {
 147   ASSERT_TRUE(StartEmbeddedTestServer());
 148   base::FilePath test_data_dir;
 149   PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir);
 150   embedded_test_server()->ServeFilesFromDirectory(test_data_dir);
 151   ASSERT_TRUE(LoadExtension(
 152       test_data_dir_.AppendASCII("window_open").AppendASCII("popup_iframe")));
 153
 154   const int num_tabs = 1;
 155   const int num_popups = 0;
 156   EXPECT_TRUE(WaitForTabsAndPopups(browser(), num_tabs, num_popups, 0));
 157 }
 158
 159 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, WindowOpenPopupLarge) {
 160   ASSERT_TRUE(StartEmbeddedTestServer());
 161   ASSERT_TRUE(LoadExtension(
 162       test_data_dir_.AppendASCII("window_open").AppendASCII("popup_large")));
 163
 164   // On other systems this should open a new popup window.
 165   const int num_tabs = 0;
 166   const int num_popups = 1;
 167   EXPECT_TRUE(WaitForTabsAndPopups(browser(), num_tabs, num_popups, 0));
 168 }
 169
 170 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, WindowOpenPopupSmall) {
 171   ASSERT_TRUE(StartEmbeddedTestServer());
 172   ASSERT_TRUE(LoadExtension(
 173       test_data_dir_.AppendASCII("window_open").AppendASCII("popup_small")));
 174
 175   // On ChromeOS this should open a new panel (acts like a new popup window).
 176   // On other systems this should open a new popup window.
 177   const int num_tabs = 0;
 178   const int num_popups = 1;
 179   EXPECT_TRUE(WaitForTabsAndPopups(browser(), num_tabs, num_popups, 0));
 180 }
 181
 182 // Disabled on Windows. Often times out or fails: crbug.com/177530
 183 #if defined(OS_WIN)
 184 #define MAYBE_PopupBlockingExtension DISABLED_PopupBlockingExtension
 185 #else
 186 #define MAYBE_PopupBlockingExtension PopupBlockingExtension
 187 #endif
 188 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MAYBE_PopupBlockingExtension) {
 189   host_resolver()->AddRule("*", "127.0.0.1");
 190   ASSERT_TRUE(StartEmbeddedTestServer());
 191
 192   ASSERT_TRUE(LoadExtension(
 193       test_data_dir_.AppendASCII("window_open").AppendASCII("popup_blocking")
 194       .AppendASCII("extension")));
 195
 196   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 5, 3, 0));
 197 }
 198
 199 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, PopupBlockingHostedApp) {
 200   host_resolver()->AddRule("*", "127.0.0.1");
 201   ASSERT_TRUE(test_server()->Start());
 202
 203   ASSERT_TRUE(LoadExtension(
 204       test_data_dir_.AppendASCII("window_open").AppendASCII("popup_blocking")
 205       .AppendASCII("hosted_app")));
 206
 207   // The app being tested owns the domain a.com .  The test URLs we navigate
 208   // to below must be within that domain, so that they fall within the app's
 209   // web extent.
 210   GURL::Replacements replace_host;
 211   replace_host.SetHostStr("a.com");
 212
 213   const std::string popup_app_contents_path(
 214     "files/extensions/api_test/window_open/popup_blocking/hosted_app/");
 215
 216   GURL open_tab =
 217       test_server()->GetURL(popup_app_contents_path + "open_tab.html")
 218           .ReplaceComponents(replace_host);
 219   GURL open_popup =
 220       test_server()->GetURL(popup_app_contents_path + "open_popup.html")
 221           .ReplaceComponents(replace_host);
 222
 223   browser()->OpenURL(OpenURLParams(
 224       open_tab, Referrer(), NEW_FOREGROUND_TAB, ui::PAGE_TRANSITION_TYPED,
 225       false));
 226   browser()->OpenURL(OpenURLParams(
 227       open_popup, Referrer(), NEW_FOREGROUND_TAB,
 228       ui::PAGE_TRANSITION_TYPED, false));
 229
 230   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 3, 1, 0));
 231 }
 232
 233 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, WindowArgumentsOverflow) {
 234   ASSERT_TRUE(RunExtensionTest("window_open/argument_overflow")) << message_;
 235 }
 236
 237 class WindowOpenPanelDisabledTest : public ExtensionApiTest {
 238   void SetUpCommandLine(base::CommandLine* command_line) override {
 239     ExtensionApiTest::SetUpCommandLine(command_line);
 240     // TODO(jennb): Re-enable when panels are enabled by default.
 241     // command_line->AppendSwitch(switches::kDisablePanels);
 242   }
 243 };
 244
 245 IN_PROC_BROWSER_TEST_F(WindowOpenPanelDisabledTest,
 246                        DISABLED_WindowOpenPanelNotEnabled) {
 247   ASSERT_TRUE(RunExtensionTest("window_open/panel_not_enabled")) << message_;
 248 }
 249
 250 class WindowOpenPanelTest : public ExtensionApiTest {
 251   void SetUpCommandLine(base::CommandLine* command_line) override {
 252     ExtensionApiTest::SetUpCommandLine(command_line);
 253     command_line->AppendSwitch(switches::kEnablePanels);
 254   }
 255 };
 256
 257 #if defined(USE_ASH_PANELS)
 258 // On Ash, this currently fails because we're currently opening new panel
 259 // windows as popup windows instead.
 260 #define MAYBE_WindowOpenPanel DISABLED_WindowOpenPanel
 261 #else
 262 #define MAYBE_WindowOpenPanel WindowOpenPanel
 263 #endif
 264 IN_PROC_BROWSER_TEST_F(WindowOpenPanelTest, MAYBE_WindowOpenPanel) {
 265   ASSERT_TRUE(RunExtensionTest("window_open/panel")) << message_;
 266 }
 267
 268 #if defined(USE_ASH_PANELS) || defined(OS_LINUX)
 269 // On Ash, this currently fails because we're currently opening new panel
 270 // windows as popup windows instead.
 271 // We're also failing on Linux-aura due to the panel is not opened in the
 272 // right origin.
 273 #define MAYBE_WindowOpenPanelDetached DISABLED_WindowOpenPanelDetached
 274 #else
 275 #define MAYBE_WindowOpenPanelDetached WindowOpenPanelDetached
 276 #endif
 277 IN_PROC_BROWSER_TEST_F(WindowOpenPanelTest, MAYBE_WindowOpenPanelDetached) {
 278   ASSERT_TRUE(RunExtensionTest("window_open/panel_detached")) << message_;
 279 }
 280
 281 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 282 // TODO(erg): Bring up ash http://crbug.com/300084
 283 #define MAYBE_CloseNonExtensionPanelsOnUninstall \
 284   DISABLED_CloseNonExtensionPanelsOnUninstall
 285 #else
 286 #define MAYBE_CloseNonExtensionPanelsOnUninstall \
 287   CloseNonExtensionPanelsOnUninstall
 288 #endif
 289 IN_PROC_BROWSER_TEST_F(WindowOpenPanelTest,
 290                        MAYBE_CloseNonExtensionPanelsOnUninstall) {
 291 #if defined(OS_WIN) && defined(USE_ASH)
 292   // Disable this test in Metro+Ash for now (http://crbug.com/262796).
 293   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
 294           switches::kAshBrowserTests))
 295     return;
 296 #endif
 297
 298 #if defined(USE_ASH_PANELS)
 299   // On Ash, new panel windows open as popup windows instead.
 300   int num_popups, num_panels;
 301   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
 302           switches::kEnablePanels)) {
 303     num_popups = 2;
 304     num_panels = 2;
 305   } else {
 306     num_popups = 4;
 307     num_panels = 0;
 308   }
 309 #else
 310   int num_popups = 2;
 311   int num_panels = 2;
 312 #endif
 313   ASSERT_TRUE(StartEmbeddedTestServer());
 314
 315   // Setup listeners to wait on strings we expect the extension pages to send.
 316   std::vector<std::string> test_strings;
 317   test_strings.push_back("content_tab");
 318   if (num_panels)
 319     test_strings.push_back("content_panel");
 320   test_strings.push_back("content_popup");
 321
 322   ScopedVector<ExtensionTestMessageListener> listeners;
 323   for (size_t i = 0; i < test_strings.size(); ++i) {
 324     listeners.push_back(
 325         new ExtensionTestMessageListener(test_strings[i], false));
 326   }
 327
 328   const extensions::Extension* extension = LoadExtension(
 329       test_data_dir_.AppendASCII("window_open").AppendASCII(
 330           "close_panels_on_uninstall"));
 331   ASSERT_TRUE(extension);
 332
 333   // Two tabs. One in extension domain and one in non-extension domain.
 334   // Two popups - one in extension domain and one in non-extension domain.
 335   // Two panels - one in extension domain and one in non-extension domain.
 336   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 2, num_popups, num_panels));
 337
 338   // Wait on test messages to make sure the pages loaded.
 339   for (size_t i = 0; i < listeners.size(); ++i)
 340     ASSERT_TRUE(listeners[i]->WaitUntilSatisfied());
 341
 342   UninstallExtension(extension->id());
 343
 344   // Wait for the tabs and popups in non-extension domain to stay open.
 345   // Expect everything else, including panels, to close.
 346   num_popups -= 1;
 347 #if defined(USE_ASH_PANELS)
 348   if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
 349           switches::kEnablePanels)) {
 350     // On Ash, new panel windows open as popup windows instead, so there are 2
 351     // extension domain popups that will close (instead of 1 popup on non-Ash).
 352     num_popups -= 1;
 353   }
 354 #endif
 355 #if defined(USE_ASH)
 356 #if !defined(OS_WIN)
 357   // On linux ash we close all popup applications when closing its extension.
 358   num_popups = 0;
 359 #endif
 360 #endif
 361   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 1, num_popups, 0));
 362 }
 363
 364 // This test isn't applicable on Chrome OS, which automatically reloads crashed
 365 // pages.
 366 #if !defined(OS_CHROMEOS)
 367 IN_PROC_BROWSER_TEST_F(WindowOpenPanelTest, ClosePanelsOnExtensionCrash) {
 368 #if defined(USE_ASH_PANELS)
 369   // On Ash, new panel windows open as popup windows instead.
 370   int num_popups = 4;
 371   int num_panels = 0;
 372 #else
 373   int num_popups = 2;
 374   int num_panels = 2;
 375 #endif
 376   ASSERT_TRUE(StartEmbeddedTestServer());
 377
 378   // Setup listeners to wait on strings we expect the extension pages to send.
 379   std::vector<std::string> test_strings;
 380   test_strings.push_back("content_tab");
 381   if (num_panels)
 382     test_strings.push_back("content_panel");
 383   test_strings.push_back("content_popup");
 384
 385   ScopedVector<ExtensionTestMessageListener> listeners;
 386   for (size_t i = 0; i < test_strings.size(); ++i) {
 387     listeners.push_back(
 388         new ExtensionTestMessageListener(test_strings[i], false));
 389   }
 390
 391   const extensions::Extension* extension = LoadExtension(
 392       test_data_dir_.AppendASCII("window_open").AppendASCII(
 393           "close_panels_on_uninstall"));
 394   ASSERT_TRUE(extension);
 395
 396   // Two tabs. One in extension domain and one in non-extension domain.
 397   // Two popups - one in extension domain and one in non-extension domain.
 398   // Two panels - one in extension domain and one in non-extension domain.
 399   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 2, num_popups, num_panels));
 400
 401   // Wait on test messages to make sure the pages loaded.
 402   for (size_t i = 0; i < listeners.size(); ++i)
 403     ASSERT_TRUE(listeners[i]->WaitUntilSatisfied());
 404
 405   // Crash the extension.
 406   extensions::ExtensionHost* extension_host =
 407       extensions::ProcessManager::Get(browser()->profile())
 408           ->GetBackgroundHostForExtension(extension->id());
 409   ASSERT_TRUE(extension_host);
 410   extension_host->render_process_host()->Shutdown(content::RESULT_CODE_KILLED,
 411                                                   false);
 412   WaitForExtensionCrash(extension->id());
 413
 414   // Only expect panels to close. The rest stay open to show a sad-tab.
 415   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 2, num_popups, 0));
 416 }
 417 #endif  // !defined(OS_CHROMEOS)
 418
 419 #if defined(USE_ASH_PANELS)
 420 // This test is not applicable on Ash. The modified window.open behavior only
 421 // applies to non-Ash panel windows.
 422 #define MAYBE_WindowOpenFromPanel DISABLED_WindowOpenFromPanel
 423 #else
 424 #define MAYBE_WindowOpenFromPanel WindowOpenFromPanel
 425 #endif
 426 IN_PROC_BROWSER_TEST_F(WindowOpenPanelTest, MAYBE_WindowOpenFromPanel) {
 427   ASSERT_TRUE(StartEmbeddedTestServer());
 428
 429   // Load the extension that will open a panel which then calls window.open.
 430   ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("window_open").
 431                             AppendASCII("panel_window_open")));
 432
 433   // Expect one panel (opened by extension) and one tab (from the panel calling
 434   // window.open). Panels modify the WindowOpenDisposition in window.open
 435   // to always open in a tab.
 436   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 1, 0, 1));
 437 }
 438
 439 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, DISABLED_WindowOpener) {
 440   ASSERT_TRUE(RunExtensionTest("window_open/opener")) << message_;
 441 }
 442
 443 #if defined(OS_MACOSX)
 444 // Extension popup windows are incorrectly sized on OSX, crbug.com/225601
 445 #define MAYBE_WindowOpenSized DISABLED_WindowOpenSized
 446 #else
 447 #define MAYBE_WindowOpenSized WindowOpenSized
 448 #endif
 449 // Ensure that the width and height properties of a window opened with
 450 // chrome.windows.create match the creation parameters. See crbug.com/173831.
 451 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MAYBE_WindowOpenSized) {
 452   ASSERT_TRUE(RunExtensionTest("window_open/window_size")) << message_;
 453   EXPECT_TRUE(WaitForTabsAndPopups(browser(), 0, 1, 0));
 454 }
 455
 456 // Tests that an extension page can call window.open to an extension URL and
 457 // the new window has extension privileges.
 458 IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest, WindowOpenExtension) {
 459   ASSERT_TRUE(LoadExtension(
 460       test_data_dir_.AppendASCII("uitest").AppendASCII("window_open")));
 461
 462   GURL start_url(std::string(extensions::kExtensionScheme) +
 463                      url::kStandardSchemeSeparator +
 464                      last_loaded_extension_id() + "/test.html");
 465   ui_test_utils::NavigateToURL(browser(), start_url);
 466   WebContents* newtab = NULL;
 467   ASSERT_NO_FATAL_FAILURE(
 468       OpenWindow(browser()->tab_strip_model()->GetActiveWebContents(),
 469       start_url.Resolve("newtab.html"), true, &newtab));
 470
 471   bool result = false;
 472   ASSERT_TRUE(content::ExecuteScriptAndExtractBool(newtab, "testExtensionApi()",
 473                                                    &result));
 474   EXPECT_TRUE(result);
 475 }
 476
 477 // Tests that if an extension page calls window.open to an invalid extension
 478 // URL, the browser doesn't crash.
 479 IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest, WindowOpenInvalidExtension) {
 480   ASSERT_TRUE(LoadExtension(
 481       test_data_dir_.AppendASCII("uitest").AppendASCII("window_open")));
 482
 483   GURL start_url(std::string(extensions::kExtensionScheme) +
 484                      url::kStandardSchemeSeparator +
 485                      last_loaded_extension_id() + "/test.html");
 486   ui_test_utils::NavigateToURL(browser(), start_url);
 487   ASSERT_NO_FATAL_FAILURE(
 488       OpenWindow(browser()->tab_strip_model()->GetActiveWebContents(),
 489       GURL("chrome-extension://thisissurelynotavalidextensionid/newtab.html"),
 490       false, NULL));
 491
 492   // If we got to this point, we didn't crash, so we're good.
 493 }
 494
 495 // Tests that calling window.open from the newtab page to an extension URL
 496 // gives the new window extension privileges - even though the opening page
 497 // does not have extension privileges, we break the script connection, so
 498 // there is no privilege leak.
 499 IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest, WindowOpenNoPrivileges) {
 500   ASSERT_TRUE(LoadExtension(
 501       test_data_dir_.AppendASCII("uitest").AppendASCII("window_open")));
 502
 503   ui_test_utils::NavigateToURL(browser(), GURL("about:blank"));
 504   WebContents* newtab = NULL;
 505   ASSERT_NO_FATAL_FAILURE(
 506       OpenWindow(browser()->tab_strip_model()->GetActiveWebContents(),
 507                  GURL(std::string(extensions::kExtensionScheme) +
 508                      url::kStandardSchemeSeparator +
 509                      last_loaded_extension_id() + "/newtab.html"),
 510                  false,
 511                  &newtab));
 512
 513   // Extension API should succeed.
 514   bool result = false;
 515   ASSERT_TRUE(content::ExecuteScriptAndExtractBool(newtab, "testExtensionApi()",
 516                                                    &result));
 517   EXPECT_TRUE(result);
 518 }