chrome/browser/extensions/extension_browsertest.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 "chrome/browser/extensions/extension_browsertest.h"
   6
   7 #include <vector>
   8
   9 #include "base/command_line.h"
  10 #include "base/files/file_path.h"
  11 #include "base/files/file_util.h"
  12 #include "base/files/scoped_temp_dir.h"
  13 #include "base/path_service.h"
  14 #include "base/strings/string_number_conversions.h"
  15 #include "base/strings/stringprintf.h"
  16 #include "base/strings/utf_string_conversions.h"
  17 #include "chrome/browser/extensions/browsertest_util.h"
  18 #include "chrome/browser/extensions/component_loader.h"
  19 #include "chrome/browser/extensions/crx_installer.h"
  20 #include "chrome/browser/extensions/extension_creator.h"
  21 #include "chrome/browser/extensions/extension_error_reporter.h"
  22 #include "chrome/browser/extensions/extension_install_prompt.h"
  23 #include "chrome/browser/extensions/extension_install_prompt_show_params.h"
  24 #include "chrome/browser/extensions/extension_service.h"
  25 #include "chrome/browser/extensions/extension_util.h"
  26 #include "chrome/browser/extensions/unpacked_installer.h"
  27 #include "chrome/browser/extensions/updater/extension_cache_fake.h"
  28 #include "chrome/browser/extensions/updater/extension_updater.h"
  29 #include "chrome/browser/profiles/profile.h"
  30 #include "chrome/browser/profiles/profile_manager.h"
  31 #include "chrome/browser/ui/browser.h"
  32 #include "chrome/browser/ui/browser_window.h"
  33 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  34 #include "chrome/common/chrome_paths.h"
  35 #include "chrome/common/chrome_switches.h"
  36 #include "chrome/common/chrome_version_info.h"
  37 #include "content/public/browser/navigation_controller.h"
  38 #include "content/public/browser/navigation_entry.h"
  39 #include "content/public/browser/notification_registrar.h"
  40 #include "content/public/browser/notification_service.h"
  41 #include "content/public/browser/render_view_host.h"
  42 #include "content/public/test/browser_test_utils.h"
  43 #include "content/public/test/test_utils.h"
  44 #include "extensions/browser/extension_host.h"
  45 #include "extensions/browser/extension_prefs.h"
  46 #include "extensions/browser/extension_registry.h"
  47 #include "extensions/browser/extension_system.h"
  48 #include "extensions/browser/notification_types.h"
  49 #include "extensions/browser/uninstall_reason.h"
  50 #include "extensions/common/constants.h"
  51 #include "extensions/common/extension_set.h"
  52 #include "sync/api/string_ordinal.h"
  53
  54 #if defined(OS_CHROMEOS)
  55 #include "chromeos/chromeos_switches.h"
  56 #endif
  57
  58 using extensions::Extension;
  59 using extensions::ExtensionCreator;
  60 using extensions::ExtensionRegistry;
  61 using extensions::FeatureSwitch;
  62 using extensions::Manifest;
  63
  64 ExtensionBrowserTest::ExtensionBrowserTest()
  65     : loaded_(false),
  66       installed_(false),
  67 #if defined(OS_CHROMEOS)
  68       set_chromeos_user_(true),
  69 #endif
  70       // Default channel is STABLE but override with UNKNOWN so that unlaunched
  71       // or incomplete APIs can write tests.
  72       current_channel_(chrome::VersionInfo::CHANNEL_UNKNOWN),
  73       override_prompt_for_external_extensions_(
  74           FeatureSwitch::prompt_for_external_extensions(),
  75           false),
  76 #if defined(OS_WIN)
  77       user_desktop_override_(base::DIR_USER_DESKTOP),
  78       common_desktop_override_(base::DIR_COMMON_DESKTOP),
  79       user_quick_launch_override_(base::DIR_USER_QUICK_LAUNCH),
  80       start_menu_override_(base::DIR_START_MENU),
  81       common_start_menu_override_(base::DIR_COMMON_START_MENU),
  82 #endif
  83       profile_(NULL) {
  84   EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
  85 }
  86
  87 ExtensionBrowserTest::~ExtensionBrowserTest() {
  88 }
  89
  90 Profile* ExtensionBrowserTest::profile() {
  91   if (!profile_) {
  92     if (browser())
  93       profile_ = browser()->profile();
  94     else
  95       profile_ = ProfileManager::GetActiveUserProfile();
  96   }
  97   return profile_;
  98 }
  99
 100 // static
 101 const Extension* ExtensionBrowserTest::GetExtensionByPath(
 102     const extensions::ExtensionSet& extensions,
 103     const base::FilePath& path) {
 104   base::FilePath extension_path = base::MakeAbsoluteFilePath(path);
 105   EXPECT_TRUE(!extension_path.empty());
 106   for (const scoped_refptr<const Extension>& extension : extensions) {
 107     if (extension->path() == extension_path) {
 108       return extension.get();
 109     }
 110   }
 111   return NULL;
 112 }
 113
 114 void ExtensionBrowserTest::SetUp() {
 115   test_extension_cache_.reset(new extensions::ExtensionCacheFake());
 116   InProcessBrowserTest::SetUp();
 117 }
 118
 119 void ExtensionBrowserTest::SetUpCommandLine(base::CommandLine* command_line) {
 120   PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir_);
 121   test_data_dir_ = test_data_dir_.AppendASCII("extensions");
 122   observer_.reset(new ExtensionTestNotificationObserver(browser()));
 123
 124 #if defined(OS_CHROMEOS)
 125   if (set_chromeos_user_) {
 126     // This makes sure that we create the Default profile first, with no
 127     // ExtensionService and then the real profile with one, as we do when
 128     // running on chromeos.
 129     command_line->AppendSwitchASCII(chromeos::switches::kLoginUser,
 130                                     "TestUser@gmail.com");
 131     command_line->AppendSwitchASCII(chromeos::switches::kLoginProfile, "user");
 132   }
 133 #endif
 134 }
 135
 136 void ExtensionBrowserTest::SetUpOnMainThread() {
 137   InProcessBrowserTest::SetUpOnMainThread();
 138   observer_.reset(new ExtensionTestNotificationObserver(browser()));
 139   if (extension_service()->updater()) {
 140     extension_service()->updater()->SetExtensionCacheForTesting(
 141         test_extension_cache_.get());
 142   }
 143 }
 144
 145 const Extension* ExtensionBrowserTest::LoadExtension(
 146     const base::FilePath& path) {
 147   return LoadExtensionWithFlags(path, kFlagEnableFileAccess);
 148 }
 149
 150 const Extension* ExtensionBrowserTest::LoadExtensionIncognito(
 151     const base::FilePath& path) {
 152   return LoadExtensionWithFlags(path,
 153                                 kFlagEnableFileAccess | kFlagEnableIncognito);
 154 }
 155
 156 const Extension* ExtensionBrowserTest::LoadExtensionWithFlags(
 157     const base::FilePath& path, int flags) {
 158   return LoadExtensionWithInstallParam(path, flags, std::string());
 159 }
 160
 161 const extensions::Extension*
 162 ExtensionBrowserTest::LoadExtensionWithInstallParam(
 163     const base::FilePath& path,
 164     int flags,
 165     const std::string& install_param) {
 166   ExtensionService* service = extensions::ExtensionSystem::Get(
 167       profile())->extension_service();
 168   ExtensionRegistry* registry = ExtensionRegistry::Get(profile());
 169   {
 170     observer_->Watch(extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED,
 171                      content::NotificationService::AllSources());
 172
 173     scoped_refptr<extensions::UnpackedInstaller> installer(
 174         extensions::UnpackedInstaller::Create(service));
 175     installer->set_prompt_for_plugins(false);
 176     installer->set_require_modern_manifest_version(
 177         (flags & kFlagAllowOldManifestVersions) == 0);
 178     installer->Load(path);
 179
 180     observer_->Wait();
 181   }
 182
 183   // Find the loaded extension by its path. See crbug.com/59531 for why
 184   // we cannot just use last_loaded_extension_id().
 185   const Extension* extension =
 186       GetExtensionByPath(registry->enabled_extensions(), path);
 187   if (!extension)
 188     return NULL;
 189
 190   if (!(flags & kFlagIgnoreManifestWarnings)) {
 191     const std::vector<extensions::InstallWarning>& install_warnings =
 192         extension->install_warnings();
 193     if (!install_warnings.empty()) {
 194       std::string install_warnings_message = base::StringPrintf(
 195           "Unexpected warnings when loading test extension %s:\n",
 196           path.AsUTF8Unsafe().c_str());
 197
 198       for (std::vector<extensions::InstallWarning>::const_iterator it =
 199           install_warnings.begin(); it != install_warnings.end(); ++it) {
 200         install_warnings_message += "  " + it->message + "\n";
 201       }
 202
 203       EXPECT_EQ(0u, extension->install_warnings().size())
 204           << install_warnings_message;
 205       return NULL;
 206     }
 207   }
 208
 209   const std::string extension_id = extension->id();
 210
 211   if (!install_param.empty()) {
 212     extensions::ExtensionPrefs::Get(profile())
 213         ->SetInstallParam(extension_id, install_param);
 214     // Re-enable the extension if needed.
 215     if (registry->enabled_extensions().Contains(extension_id)) {
 216       content::WindowedNotificationObserver load_signal(
 217           extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED,
 218           content::Source<Profile>(profile()));
 219       // Reload the extension so that the
 220       // NOTIFICATION_EXTENSION_LOADED_DEPRECATED
 221       // observers may access |install_param|.
 222       service->ReloadExtension(extension_id);
 223       load_signal.Wait();
 224       extension = service->GetExtensionById(extension_id, false);
 225       CHECK(extension) << extension_id << " not found after reloading.";
 226     }
 227   }
 228
 229   // Toggling incognito or file access will reload the extension, so wait for
 230   // the reload and grab the new extension instance. The default state is
 231   // incognito disabled and file access enabled, so we don't wait in those
 232   // cases.
 233   {
 234     content::WindowedNotificationObserver load_signal(
 235         extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED,
 236         content::Source<Profile>(profile()));
 237     CHECK(!extensions::util::IsIncognitoEnabled(extension_id, profile()))
 238         << extension_id << " is enabled in incognito, but shouldn't be";
 239
 240     if (flags & kFlagEnableIncognito) {
 241       extensions::util::SetIsIncognitoEnabled(extension_id, profile(), true);
 242       load_signal.Wait();
 243       extension = service->GetExtensionById(extension_id, false);
 244       CHECK(extension) << extension_id << " not found after reloading.";
 245     }
 246   }
 247
 248   {
 249     content::WindowedNotificationObserver load_signal(
 250         extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED,
 251         content::Source<Profile>(profile()));
 252     CHECK(extensions::util::AllowFileAccess(extension_id, profile()));
 253     if (!(flags & kFlagEnableFileAccess)) {
 254       extensions::util::SetAllowFileAccess(extension_id, profile(), false);
 255       load_signal.Wait();
 256       extension = service->GetExtensionById(extension_id, false);
 257       CHECK(extension) << extension_id << " not found after reloading.";
 258     }
 259   }
 260
 261   if (!observer_->WaitForExtensionViewsToLoad())
 262     return NULL;
 263
 264   return extension;
 265 }
 266
 267 const Extension* ExtensionBrowserTest::LoadExtensionAsComponentWithManifest(
 268     const base::FilePath& path,
 269     const base::FilePath::CharType* manifest_relative_path) {
 270   ExtensionService* service = extensions::ExtensionSystem::Get(
 271       profile())->extension_service();
 272   ExtensionRegistry* registry = ExtensionRegistry::Get(profile());
 273
 274   std::string manifest;
 275   if (!base::ReadFileToString(path.Append(manifest_relative_path), &manifest)) {
 276     return NULL;
 277   }
 278
 279   std::string extension_id = service->component_loader()->Add(manifest, path);
 280   const Extension* extension =
 281       registry->enabled_extensions().GetByID(extension_id);
 282   if (!extension)
 283     return NULL;
 284   observer_->set_last_loaded_extension_id(extension->id());
 285   return extension;
 286 }
 287
 288 const Extension* ExtensionBrowserTest::LoadExtensionAsComponent(
 289     const base::FilePath& path) {
 290   return LoadExtensionAsComponentWithManifest(path,
 291                                               extensions::kManifestFilename);
 292 }
 293
 294 base::FilePath ExtensionBrowserTest::PackExtension(
 295     const base::FilePath& dir_path) {
 296   base::FilePath crx_path = temp_dir_.path().AppendASCII("temp.crx");
 297   if (!base::DeleteFile(crx_path, false)) {
 298     ADD_FAILURE() << "Failed to delete crx: " << crx_path.value();
 299     return base::FilePath();
 300   }
 301
 302   // Look for PEM files with the same name as the directory.
 303   base::FilePath pem_path =
 304       dir_path.ReplaceExtension(FILE_PATH_LITERAL(".pem"));
 305   base::FilePath pem_path_out;
 306
 307   if (!base::PathExists(pem_path)) {
 308     pem_path = base::FilePath();
 309     pem_path_out = crx_path.DirName().AppendASCII("temp.pem");
 310     if (!base::DeleteFile(pem_path_out, false)) {
 311       ADD_FAILURE() << "Failed to delete pem: " << pem_path_out.value();
 312       return base::FilePath();
 313     }
 314   }
 315
 316   return PackExtensionWithOptions(dir_path, crx_path, pem_path, pem_path_out);
 317 }
 318
 319 base::FilePath ExtensionBrowserTest::PackExtensionWithOptions(
 320     const base::FilePath& dir_path,
 321     const base::FilePath& crx_path,
 322     const base::FilePath& pem_path,
 323     const base::FilePath& pem_out_path) {
 324   if (!base::PathExists(dir_path)) {
 325     ADD_FAILURE() << "Extension dir not found: " << dir_path.value();
 326     return base::FilePath();
 327   }
 328
 329   if (!base::PathExists(pem_path) && pem_out_path.empty()) {
 330     ADD_FAILURE() << "Must specify a PEM file or PEM output path";
 331     return base::FilePath();
 332   }
 333
 334   scoped_ptr<ExtensionCreator> creator(new ExtensionCreator());
 335   if (!creator->Run(dir_path,
 336                     crx_path,
 337                     pem_path,
 338                     pem_out_path,
 339                     ExtensionCreator::kOverwriteCRX)) {
 340     ADD_FAILURE() << "ExtensionCreator::Run() failed: "
 341                   << creator->error_message();
 342     return base::FilePath();
 343   }
 344
 345   if (!base::PathExists(crx_path)) {
 346     ADD_FAILURE() << crx_path.value() << " was not created.";
 347     return base::FilePath();
 348   }
 349   return crx_path;
 350 }
 351
 352 // This class is used to simulate an installation abort by the user.
 353 class MockAbortExtensionInstallPrompt : public ExtensionInstallPrompt {
 354  public:
 355   MockAbortExtensionInstallPrompt() : ExtensionInstallPrompt(NULL) {
 356   }
 357
 358   // Simulate a user abort on an extension installation.
 359   void ConfirmInstall(Delegate* delegate,
 360                       const Extension* extension,
 361                       const ShowDialogCallback& show_dialog_callback) override {
 362     delegate->InstallUIAbort(true);
 363     base::MessageLoopForUI::current()->Quit();
 364   }
 365
 366   void OnInstallSuccess(const Extension* extension, SkBitmap* icon) override {}
 367
 368   void OnInstallFailure(const extensions::CrxInstallError& error) override {}
 369 };
 370
 371 class MockAutoConfirmExtensionInstallPrompt : public ExtensionInstallPrompt {
 372  public:
 373   explicit MockAutoConfirmExtensionInstallPrompt(
 374       content::WebContents* web_contents)
 375     : ExtensionInstallPrompt(web_contents) {}
 376
 377   // Proceed without confirmation prompt.
 378   void ConfirmInstall(Delegate* delegate,
 379                       const Extension* extension,
 380                       const ShowDialogCallback& show_dialog_callback) override {
 381     delegate->InstallUIProceed();
 382   }
 383 };
 384
 385 const Extension* ExtensionBrowserTest::UpdateExtensionWaitForIdle(
 386     const std::string& id,
 387     const base::FilePath& path,
 388     int expected_change) {
 389   return InstallOrUpdateExtension(id,
 390                                   path,
 391                                   INSTALL_UI_TYPE_NONE,
 392                                   expected_change,
 393                                   Manifest::INTERNAL,
 394                                   browser(),
 395                                   Extension::NO_FLAGS,
 396                                   false,
 397                                   false);
 398 }
 399
 400 const Extension* ExtensionBrowserTest::InstallExtensionFromWebstore(
 401     const base::FilePath& path,
 402     int expected_change) {
 403   return InstallOrUpdateExtension(std::string(),
 404                                   path,
 405                                   INSTALL_UI_TYPE_NONE,
 406                                   expected_change,
 407                                   Manifest::INTERNAL,
 408                                   browser(),
 409                                   Extension::FROM_WEBSTORE,
 410                                   true,
 411                                   false);
 412 }
 413
 414 const Extension* ExtensionBrowserTest::InstallOrUpdateExtension(
 415     const std::string& id,
 416     const base::FilePath& path,
 417     InstallUIType ui_type,
 418     int expected_change) {
 419   return InstallOrUpdateExtension(id,
 420                                   path,
 421                                   ui_type,
 422                                   expected_change,
 423                                   Manifest::INTERNAL,
 424                                   browser(),
 425                                   Extension::NO_FLAGS,
 426                                   true,
 427                                   false);
 428 }
 429
 430 const Extension* ExtensionBrowserTest::InstallOrUpdateExtension(
 431     const std::string& id,
 432     const base::FilePath& path,
 433     InstallUIType ui_type,
 434     int expected_change,
 435     Browser* browser,
 436     Extension::InitFromValueFlags creation_flags) {
 437   return InstallOrUpdateExtension(id,
 438                                   path,
 439                                   ui_type,
 440                                   expected_change,
 441                                   Manifest::INTERNAL,
 442                                   browser,
 443                                   creation_flags,
 444                                   true,
 445                                   false);
 446 }
 447
 448 const Extension* ExtensionBrowserTest::InstallOrUpdateExtension(
 449     const std::string& id,
 450     const base::FilePath& path,
 451     InstallUIType ui_type,
 452     int expected_change,
 453     Manifest::Location install_source) {
 454   return InstallOrUpdateExtension(id,
 455                                   path,
 456                                   ui_type,
 457                                   expected_change,
 458                                   install_source,
 459                                   browser(),
 460                                   Extension::NO_FLAGS,
 461                                   true,
 462                                   false);
 463 }
 464
 465 const Extension* ExtensionBrowserTest::InstallOrUpdateExtension(
 466     const std::string& id,
 467     const base::FilePath& path,
 468     InstallUIType ui_type,
 469     int expected_change,
 470     Manifest::Location install_source,
 471     Browser* browser,
 472     Extension::InitFromValueFlags creation_flags,
 473     bool install_immediately,
 474     bool is_ephemeral) {
 475   ExtensionService* service =
 476       extensions::ExtensionSystem::Get(profile())->extension_service();
 477   ExtensionRegistry* registry = ExtensionRegistry::Get(profile());
 478   service->set_show_extensions_prompts(false);
 479   size_t num_before = registry->enabled_extensions().size();
 480
 481   {
 482     scoped_ptr<ExtensionInstallPrompt> install_ui;
 483     if (ui_type == INSTALL_UI_TYPE_CANCEL) {
 484       install_ui.reset(new MockAbortExtensionInstallPrompt());
 485     } else if (ui_type == INSTALL_UI_TYPE_NORMAL) {
 486       install_ui.reset(new ExtensionInstallPrompt(
 487           browser->tab_strip_model()->GetActiveWebContents()));
 488     } else if (ui_type == INSTALL_UI_TYPE_AUTO_CONFIRM) {
 489       install_ui.reset(new MockAutoConfirmExtensionInstallPrompt(
 490           browser->tab_strip_model()->GetActiveWebContents()));
 491     }
 492
 493     // TODO(tessamac): Update callers to always pass an unpacked extension
 494     //                 and then always pack the extension here.
 495     base::FilePath crx_path = path;
 496     if (crx_path.Extension() != FILE_PATH_LITERAL(".crx")) {
 497       crx_path = PackExtension(path);
 498     }
 499     if (crx_path.empty())
 500       return NULL;
 501
 502     scoped_refptr<extensions::CrxInstaller> installer(
 503         extensions::CrxInstaller::Create(service, install_ui.Pass()));
 504     installer->set_expected_id(id);
 505     installer->set_creation_flags(creation_flags);
 506     installer->set_install_source(install_source);
 507     installer->set_install_immediately(install_immediately);
 508     installer->set_is_ephemeral(is_ephemeral);
 509     if (!installer->is_gallery_install()) {
 510       installer->set_off_store_install_allow_reason(
 511           extensions::CrxInstaller::OffStoreInstallAllowedInTest);
 512     }
 513
 514     observer_->Watch(
 515         extensions::NOTIFICATION_CRX_INSTALLER_DONE,
 516         content::Source<extensions::CrxInstaller>(installer.get()));
 517
 518     installer->InstallCrx(crx_path);
 519
 520     observer_->Wait();
 521   }
 522
 523   size_t num_after = registry->enabled_extensions().size();
 524   EXPECT_EQ(num_before + expected_change, num_after);
 525   if (num_before + expected_change != num_after) {
 526     VLOG(1) << "Num extensions before: " << base::IntToString(num_before)
 527             << " num after: " << base::IntToString(num_after)
 528             << " Installed extensions follow:";
 529
 530     for (const scoped_refptr<const Extension>& extension :
 531          registry->enabled_extensions())
 532       VLOG(1) << "  " << extension->id();
 533
 534     VLOG(1) << "Errors follow:";
 535     const std::vector<base::string16>* errors =
 536         ExtensionErrorReporter::GetInstance()->GetErrors();
 537     for (std::vector<base::string16>::const_iterator iter = errors->begin();
 538          iter != errors->end(); ++iter)
 539       VLOG(1) << *iter;
 540
 541     return NULL;
 542   }
 543
 544   if (!observer_->WaitForExtensionViewsToLoad())
 545     return NULL;
 546   return service->GetExtensionById(last_loaded_extension_id(), false);
 547 }
 548
 549 void ExtensionBrowserTest::ReloadExtension(const std::string extension_id) {
 550   observer_->Watch(extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED,
 551                    content::NotificationService::AllSources());
 552
 553   ExtensionService* service =
 554       extensions::ExtensionSystem::Get(profile())->extension_service();
 555   service->ReloadExtension(extension_id);
 556
 557   observer_->Wait();
 558   observer_->WaitForExtensionViewsToLoad();
 559 }
 560
 561 void ExtensionBrowserTest::UnloadExtension(const std::string& extension_id) {
 562   ExtensionService* service = extensions::ExtensionSystem::Get(
 563       profile())->extension_service();
 564   service->UnloadExtension(extension_id,
 565                            extensions::UnloadedExtensionInfo::REASON_DISABLE);
 566 }
 567
 568 void ExtensionBrowserTest::UninstallExtension(const std::string& extension_id) {
 569   ExtensionService* service = extensions::ExtensionSystem::Get(
 570       profile())->extension_service();
 571   service->UninstallExtension(extension_id,
 572                               extensions::UNINSTALL_REASON_FOR_TESTING,
 573                               base::Bind(&base::DoNothing),
 574                               NULL);
 575 }
 576
 577 void ExtensionBrowserTest::DisableExtension(const std::string& extension_id) {
 578   ExtensionService* service = extensions::ExtensionSystem::Get(
 579       profile())->extension_service();
 580   service->DisableExtension(extension_id, Extension::DISABLE_USER_ACTION);
 581 }
 582
 583 void ExtensionBrowserTest::EnableExtension(const std::string& extension_id) {
 584   ExtensionService* service = extensions::ExtensionSystem::Get(
 585       profile())->extension_service();
 586   service->EnableExtension(extension_id);
 587 }
 588
 589 void ExtensionBrowserTest::OpenWindow(content::WebContents* contents,
 590                                       const GURL& url,
 591                                       bool newtab_process_should_equal_opener,
 592                                       content::WebContents** newtab_result) {
 593   content::WindowedNotificationObserver windowed_observer(
 594       content::NOTIFICATION_LOAD_STOP,
 595       content::NotificationService::AllSources());
 596   ASSERT_TRUE(content::ExecuteScript(contents,
 597                                      "window.open('" + url.spec() + "');"));
 598
 599   // The above window.open call is not user-initiated, so it will create
 600   // a popup window instead of a new tab in current window.
 601   // The stop notification will come from the new tab.
 602   windowed_observer.Wait();
 603   content::NavigationController* controller =
 604       content::Source<content::NavigationController>(
 605           windowed_observer.source()).ptr();
 606   content::WebContents* newtab = controller->GetWebContents();
 607   ASSERT_TRUE(newtab);
 608   EXPECT_EQ(url, controller->GetLastCommittedEntry()->GetURL());
 609   if (newtab_process_should_equal_opener)
 610     EXPECT_EQ(contents->GetRenderProcessHost(), newtab->GetRenderProcessHost());
 611   else
 612     EXPECT_NE(contents->GetRenderProcessHost(), newtab->GetRenderProcessHost());
 613
 614   if (newtab_result)
 615     *newtab_result = newtab;
 616 }
 617
 618 void ExtensionBrowserTest::NavigateInRenderer(content::WebContents* contents,
 619                                               const GURL& url) {
 620   bool result = false;
 621   content::WindowedNotificationObserver windowed_observer(
 622       content::NOTIFICATION_LOAD_STOP,
 623       content::NotificationService::AllSources());
 624   ASSERT_TRUE(content::ExecuteScriptAndExtractBool(
 625       contents,
 626       "window.addEventListener('unload', function() {"
 627       "    window.domAutomationController.send(true);"
 628       "}, false);"
 629       "window.location = '" + url.spec() + "';",
 630       &result));
 631   ASSERT_TRUE(result);
 632   windowed_observer.Wait();
 633   EXPECT_EQ(url, contents->GetController().GetLastCommittedEntry()->GetURL());
 634 }
 635
 636 extensions::ExtensionHost* ExtensionBrowserTest::FindHostWithPath(
 637     extensions::ProcessManager* manager,
 638     const std::string& path,
 639     int expected_hosts) {
 640   extensions::ExtensionHost* host = NULL;
 641   int num_hosts = 0;
 642   extensions::ProcessManager::ExtensionHostSet background_hosts =
 643       manager->background_hosts();
 644   for (extensions::ProcessManager::const_iterator iter =
 645            background_hosts.begin();
 646        iter != background_hosts.end();
 647        ++iter) {
 648     if ((*iter)->GetURL().path() == path) {
 649       EXPECT_FALSE(host);
 650       host = *iter;
 651     }
 652     num_hosts++;
 653   }
 654   EXPECT_EQ(expected_hosts, num_hosts);
 655   return host;
 656 }
 657
 658 std::string ExtensionBrowserTest::ExecuteScriptInBackgroundPage(
 659     const std::string& extension_id,
 660     const std::string& script) {
 661   return extensions::browsertest_util::ExecuteScriptInBackgroundPage(
 662       profile(), extension_id, script);
 663 }
 664
 665 bool ExtensionBrowserTest::ExecuteScriptInBackgroundPageNoWait(
 666     const std::string& extension_id,
 667     const std::string& script) {
 668   return extensions::browsertest_util::ExecuteScriptInBackgroundPageNoWait(
 669       profile(), extension_id, script);
 670 }