chrome/browser/task_manager/task_manager_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/task_manager/task_manager.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "base/strings/stringprintf.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "chrome/browser/browser_process.h"
  11 #include "chrome/browser/chrome_notification_types.h"
  12 #include "chrome/browser/devtools/devtools_window.h"
  13 #include "chrome/browser/extensions/extension_browsertest.h"
  14 #include "chrome/browser/extensions/extension_service.h"
  15 #include "chrome/browser/extensions/extension_system.h"
  16 #include "chrome/browser/infobars/confirm_infobar_delegate.h"
  17 #include "chrome/browser/infobars/infobar.h"
  18 #include "chrome/browser/infobars/infobar_service.h"
  19 #include "chrome/browser/notifications/desktop_notification_service.h"
  20 #include "chrome/browser/notifications/notification.h"
  21 #include "chrome/browser/notifications/notification_test_util.h"
  22 #include "chrome/browser/notifications/notification_ui_manager.h"
  23 #include "chrome/browser/profiles/profile.h"
  24 #include "chrome/browser/task_manager/resource_provider.h"
  25 #include "chrome/browser/task_manager/task_manager_browsertest_util.h"
  26 #include "chrome/browser/ui/browser.h"
  27 #include "chrome/browser/ui/browser_dialogs.h"
  28 #include "chrome/browser/ui/browser_navigator.h"
  29 #include "chrome/browser/ui/browser_window.h"
  30 #include "chrome/browser/ui/panels/panel.h"
  31 #include "chrome/browser/ui/panels/panel_manager.h"
  32 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  33 #include "chrome/browser/web_applications/web_app.h"
  34 #include "chrome/common/chrome_switches.h"
  35 #include "chrome/test/base/in_process_browser_test.h"
  36 #include "chrome/test/base/ui_test_utils.h"
  37 #include "content/public/browser/notification_service.h"
  38 #include "content/public/common/content_switches.h"
  39 #include "content/public/common/page_transition_types.h"
  40 #include "content/public/test/browser_test_utils.h"
  41 #include "extensions/common/extension.h"
  42 #include "grit/generated_resources.h"
  43 #include "net/dns/mock_host_resolver.h"
  44 #include "net/test/embedded_test_server/embedded_test_server.h"
  45 #include "testing/gtest/include/gtest/gtest.h"
  46 #include "ui/base/l10n/l10n_util.h"
  47
  48 using content::WebContents;
  49
  50 // On Linux this is crashing intermittently http://crbug/84719
  51 // In some environments this test fails about 1/6 http://crbug/84850
  52 #if defined(OS_LINUX)
  53 #define MAYBE_KillExtension DISABLED_KillExtension
  54 #else
  55 #define MAYBE_KillExtension KillExtension
  56 #endif
  57
  58 namespace {
  59
  60 const base::FilePath::CharType* kTitle1File = FILE_PATH_LITERAL("title1.html");
  61
  62 }  // namespace
  63
  64 class TaskManagerNoShowBrowserTest : public ExtensionBrowserTest {
  65  public:
  66   TaskManagerNoShowBrowserTest() {}
  67   virtual ~TaskManagerNoShowBrowserTest() {}
  68
  69   TaskManagerModel* model() const {
  70     return TaskManager::GetInstance()->model();
  71   }
  72
  73   void ShowTaskManager() {
  74     EXPECT_EQ(0, model()->ResourceCount());
  75
  76     // Show the task manager. This populates the model, and helps with debugging
  77     // (you see the task manager).
  78     chrome::ShowTaskManager(browser());
  79
  80     // New Tab Page.
  81     TaskManagerBrowserTestUtil::WaitForWebResourceChange(1);
  82   }
  83
  84   void Refresh() {
  85     model()->Refresh();
  86   }
  87
  88   int GetUpdateTimeMs() {
  89     return TaskManagerModel::kUpdateTimeMs;
  90   }
  91
  92  protected:
  93   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
  94     ExtensionBrowserTest::SetUpCommandLine(command_line);
  95
  96     // Do not launch the GPU process as the GPU process will show up in task
  97     // manager but whether it appears before or after the new tab renderer
  98     // process is not well defined.
  99     command_line->AppendSwitch(switches::kDisableGpu);
 100
 101     // Do not launch device discovery process.
 102     command_line->AppendSwitch(switches::kDisableDeviceDiscoveryNotifications);
 103   }
 104
 105  private:
 106   DISALLOW_COPY_AND_ASSIGN(TaskManagerNoShowBrowserTest);
 107 };
 108
 109 class TaskManagerBrowserTest : public TaskManagerNoShowBrowserTest {
 110  public:
 111   TaskManagerBrowserTest() {}
 112   virtual ~TaskManagerBrowserTest() {}
 113
 114   virtual void SetUpOnMainThread() OVERRIDE {
 115     TaskManagerNoShowBrowserTest::SetUpOnMainThread();
 116     TaskManagerNoShowBrowserTest::ShowTaskManager();
 117   }
 118
 119  private:
 120   DISALLOW_COPY_AND_ASSIGN(TaskManagerBrowserTest);
 121 };
 122
 123 #if defined(OS_MACOSX) || defined(OS_LINUX)
 124 #define MAYBE_ShutdownWhileOpen DISABLED_ShutdownWhileOpen
 125 #else
 126 #define MAYBE_ShutdownWhileOpen ShutdownWhileOpen
 127 #endif
 128
 129 // Regression test for http://crbug.com/13361
 130 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, MAYBE_ShutdownWhileOpen) {
 131   // Showing task manager handled by SetUp.
 132 }
 133
 134 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, NoticeTabContentsChanges) {
 135   int resource_count = TaskManager::GetInstance()->model()->ResourceCount();
 136   // Open a new tab and make sure we notice that.
 137   GURL url(ui_test_utils::GetTestUrl(base::FilePath(
 138       base::FilePath::kCurrentDirectory), base::FilePath(kTitle1File)));
 139   AddTabAtIndex(0, url, content::PAGE_TRANSITION_TYPED);
 140   TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
 141
 142   // Check that the last entry is a tab contents resource whose title starts
 143   // starts with "Tab:".
 144   ASSERT_TRUE(model()->GetResourceWebContents(resource_count) != NULL);
 145   base::string16 prefix = l10n_util::GetStringFUTF16(
 146       IDS_TASK_MANAGER_TAB_PREFIX, base::string16());
 147   ASSERT_TRUE(StartsWith(model()->GetResourceTitle(resource_count), prefix,
 148                          true));
 149
 150   // Close the tab and verify that we notice.
 151   browser()->tab_strip_model()->CloseWebContentsAt(0,
 152                                                    TabStripModel::CLOSE_NONE);
 153   TaskManagerBrowserTestUtil::WaitForWebResourceChange(1);
 154 }
 155
 156 #if defined(USE_ASH)
 157 // This test fails on Ash because task manager treats view type
 158 // Panels differently for Ash.
 159 #define MAYBE_NoticePanelChanges DISABLED_NoticePanelChanges
 160 #else
 161 #define MAYBE_NoticePanelChanges NoticePanelChanges
 162 #endif
 163 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, MAYBE_NoticePanelChanges) {
 164   ASSERT_TRUE(LoadExtension(
 165       test_data_dir_.AppendASCII("good").AppendASCII("Extensions")
 166                     .AppendASCII("behllobkkfkfnphdnhnkndlbkcpglgmj")
 167                     .AppendASCII("1.0.0.0")));
 168
 169   // Browser, the New Tab Page and Extension background page.
 170   TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
 171
 172   // Open a new panel to an extension url and make sure we notice that.
 173   GURL url(
 174     "chrome-extension://behllobkkfkfnphdnhnkndlbkcpglgmj/french_sentence.html");
 175   Panel* panel = PanelManager::GetInstance()->CreatePanel(
 176       web_app::GenerateApplicationNameFromExtensionId(
 177           last_loaded_extension_id()),
 178       browser()->profile(),
 179       url,
 180       gfx::Rect(300, 400),
 181       PanelManager::CREATE_AS_DOCKED);
 182   TaskManagerBrowserTestUtil::WaitForWebResourceChange(3);
 183
 184   // Check that the fourth entry is a resource with the panel's web contents
 185   // and whose title starts with "Extension:".
 186   ASSERT_EQ(panel->GetWebContents(), model()->GetResourceWebContents(3));
 187   base::string16 prefix = l10n_util::GetStringFUTF16(
 188       IDS_TASK_MANAGER_EXTENSION_PREFIX, base::string16());
 189   ASSERT_TRUE(StartsWith(model()->GetResourceTitle(3), prefix, true));
 190
 191   // Close the panel and verify that we notice.
 192   panel->Close();
 193   TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
 194
 195   // Unload extension to avoid crash on Windows.
 196   UnloadExtension(last_loaded_extension_id());
 197   TaskManagerBrowserTestUtil::WaitForWebResourceChange(1);
 198 }
 199
 200 #if defined(USE_ASH) || defined(OS_WIN)
 201 // This test fails on Ash because task manager treats view type
 202 // Panels differently for Ash.
 203 // This test also fails on Windows, win_rel trybot. http://crbug.com/166322
 204 #define MAYBE_KillPanelExtension DISABLED_KillPanelExtension
 205 #else
 206 #define MAYBE_KillPanelExtension KillPanelExtension
 207 #endif
 208 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, MAYBE_KillPanelExtension) {
 209   int resource_count = TaskManager::GetInstance()->model()->ResourceCount();
 210
 211   ASSERT_TRUE(LoadExtension(
 212       test_data_dir_.AppendASCII("good").AppendASCII("Extensions")
 213                     .AppendASCII("behllobkkfkfnphdnhnkndlbkcpglgmj")
 214                     .AppendASCII("1.0.0.0")));
 215
 216   // Browser, the New Tab Page and Extension background page.
 217   TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
 218
 219   // Open a new panel to an extension url and make sure we notice that.
 220   GURL url(
 221     "chrome-extension://behllobkkfkfnphdnhnkndlbkcpglgmj/french_sentence.html");
 222   PanelManager::GetInstance()->CreatePanel(
 223       web_app::GenerateApplicationNameFromExtensionId(
 224           last_loaded_extension_id()),
 225       browser()->profile(),
 226       url,
 227       gfx::Rect(300, 400),
 228       PanelManager::CREATE_AS_DOCKED);
 229   TaskManagerBrowserTestUtil::WaitForWebResourceChange(3);
 230
 231   // Kill the panel extension process and verify that it disappears from the
 232   // model along with its panel.
 233   ASSERT_TRUE(model()->IsBackgroundResource(resource_count));
 234   TaskManager::GetInstance()->KillProcess(resource_count);
 235   TaskManagerBrowserTestUtil::WaitForWebResourceChange(1);
 236 }
 237
 238 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, NoticeExtensionTabs) {
 239   int resource_count = TaskManager::GetInstance()->model()->ResourceCount();
 240   ASSERT_TRUE(LoadExtension(
 241       test_data_dir_.AppendASCII("good").AppendASCII("Extensions")
 242                     .AppendASCII("behllobkkfkfnphdnhnkndlbkcpglgmj")
 243                     .AppendASCII("1.0.0.0")));
 244
 245   // Browser, Extension background page, and the New Tab Page.
 246   TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
 247
 248   // Open a new tab to an extension URL and make sure we notice that.
 249   GURL url("chrome-extension://behllobkkfkfnphdnhnkndlbkcpglgmj/page.html");
 250   AddTabAtIndex(0, url, content::PAGE_TRANSITION_TYPED);
 251   TaskManagerBrowserTestUtil::WaitForWebResourceChange(3);
 252
 253   // Check that the third entry (background) is an extension resource whose
 254   // title starts with "Extension:".
 255   ASSERT_EQ(task_manager::Resource::EXTENSION, model()->GetResourceType(
 256       resource_count));
 257   ASSERT_TRUE(model()->GetResourceWebContents(resource_count) == NULL);
 258   ASSERT_TRUE(model()->GetResourceExtension(resource_count) != NULL);
 259   base::string16 prefix = l10n_util::GetStringFUTF16(
 260       IDS_TASK_MANAGER_EXTENSION_PREFIX, base::string16());
 261   ASSERT_TRUE(StartsWith(model()->GetResourceTitle(resource_count),
 262                          prefix, true));
 263
 264   // Check that the fourth entry (page.html) is of type extension and has both
 265   // a tab contents and an extension. The title should start with "Extension:".
 266   ASSERT_EQ(task_manager::Resource::EXTENSION, model()->GetResourceType(
 267       resource_count + 1));
 268   ASSERT_TRUE(model()->GetResourceWebContents(resource_count + 1) != NULL);
 269   ASSERT_TRUE(model()->GetResourceExtension(resource_count + 1) != NULL);
 270   ASSERT_TRUE(StartsWith(model()->GetResourceTitle(resource_count + 1),
 271                          prefix, true));
 272
 273   // Unload extension to avoid crash on Windows.
 274   UnloadExtension(last_loaded_extension_id());
 275   TaskManagerBrowserTestUtil::WaitForWebResourceChange(1);
 276 }
 277
 278 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, NoticeAppTabs) {
 279   int resource_count = TaskManager::GetInstance()->model()->ResourceCount();
 280   ASSERT_TRUE(LoadExtension(
 281       test_data_dir_.AppendASCII("packaged_app")));
 282   ExtensionService* service = extensions::ExtensionSystem::Get(
 283       browser()->profile())->extension_service();
 284   const extensions::Extension* extension =
 285       service->GetExtensionById(last_loaded_extension_id(), false);
 286
 287   // New Tab Page.
 288   TaskManagerBrowserTestUtil::WaitForWebResourceChange(1);
 289
 290   // Open a new tab to the app's launch URL and make sure we notice that.
 291   GURL url(extension->GetResourceURL("main.html"));
 292   AddTabAtIndex(0, url, content::PAGE_TRANSITION_TYPED);
 293   TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
 294
 295   // Check that the third entry (main.html) is of type extension and has both
 296   // a tab contents and an extension. The title should start with "App:".
 297   ASSERT_EQ(task_manager::Resource::EXTENSION, model()->GetResourceType(
 298       resource_count));
 299   ASSERT_TRUE(model()->GetResourceWebContents(resource_count) != NULL);
 300   ASSERT_TRUE(model()->GetResourceExtension(resource_count) == extension);
 301   base::string16 prefix = l10n_util::GetStringFUTF16(
 302       IDS_TASK_MANAGER_APP_PREFIX, base::string16());
 303   ASSERT_TRUE(StartsWith(model()->GetResourceTitle(resource_count),
 304                          prefix, true));
 305
 306   // Unload extension to avoid crash on Windows.
 307   UnloadExtension(last_loaded_extension_id());
 308   TaskManagerBrowserTestUtil::WaitForWebResourceChange(1);
 309 }
 310
 311 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, NoticeHostedAppTabs) {
 312   int resource_count = TaskManager::GetInstance()->model()->ResourceCount();
 313
 314   // The app under test acts on URLs whose host is "localhost",
 315   // so the URLs we navigate to must have host "localhost".
 316   host_resolver()->AddRule("*", "127.0.0.1");
 317   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 318   GURL::Replacements replace_host;
 319   std::string host_str("localhost");  // must stay in scope with replace_host
 320   replace_host.SetHostStr(host_str);
 321   GURL base_url = embedded_test_server()->GetURL(
 322       "/extensions/api_test/app_process/");
 323   base_url = base_url.ReplaceComponents(replace_host);
 324
 325   // Open a new tab to an app URL before the app is loaded.
 326   GURL url(base_url.Resolve("path1/empty.html"));
 327   content::WindowedNotificationObserver observer(
 328       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
 329       content::NotificationService::AllSources());
 330   AddTabAtIndex(0, url, content::PAGE_TRANSITION_TYPED);
 331   observer.Wait();
 332
 333   // Force the TaskManager to query the title.
 334   Refresh();
 335
 336   // Check that the third entry's title starts with "Tab:".
 337   base::string16 tab_prefix = l10n_util::GetStringFUTF16(
 338       IDS_TASK_MANAGER_TAB_PREFIX, base::string16());
 339   ASSERT_TRUE(StartsWith(model()->GetResourceTitle(resource_count),
 340                          tab_prefix, true));
 341
 342   // Load the hosted app and make sure it still starts with "Tab:",
 343   // since it hasn't changed to an app process yet.
 344   ASSERT_TRUE(LoadExtension(
 345       test_data_dir_.AppendASCII("api_test").AppendASCII("app_process")));
 346   // Force the TaskManager to query the title.
 347   Refresh();
 348   ASSERT_TRUE(StartsWith(model()->GetResourceTitle(resource_count),
 349                          tab_prefix, true));
 350
 351   // Now reload and check that the last entry's title now starts with "App:".
 352   ui_test_utils::NavigateToURL(browser(), url);
 353   // Force the TaskManager to query the title.
 354   Refresh();
 355   base::string16 app_prefix = l10n_util::GetStringFUTF16(
 356       IDS_TASK_MANAGER_APP_PREFIX, base::string16());
 357   ASSERT_TRUE(StartsWith(model()->GetResourceTitle(resource_count),
 358                          app_prefix, true));
 359
 360   // Disable extension and reload page.
 361   DisableExtension(last_loaded_extension_id());
 362   ui_test_utils::NavigateToURL(browser(), url);
 363
 364   // Force the TaskManager to query the title.
 365   Refresh();
 366
 367   // The third entry's title should be back to a normal tab.
 368   ASSERT_TRUE(StartsWith(model()->GetResourceTitle(resource_count),
 369                          tab_prefix, true));
 370 }
 371
 372 // Disabled, http://crbug.com/66957.
 373 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest,
 374                        DISABLED_KillExtensionAndReload) {
 375   ASSERT_TRUE(LoadExtension(
 376       test_data_dir_.AppendASCII("common").AppendASCII("background_page")));
 377
 378   // Wait until we see the loaded extension in the task manager (the three
 379   // resources are: the browser process, New Tab Page, and the extension).
 380   TaskManagerBrowserTestUtil::WaitForWebResourceChange(3);
 381
 382   EXPECT_TRUE(model()->GetResourceExtension(0) == NULL);
 383   EXPECT_TRUE(model()->GetResourceExtension(1) == NULL);
 384   ASSERT_TRUE(model()->GetResourceExtension(2) != NULL);
 385
 386   // Kill the extension process and make sure we notice it.
 387   TaskManager::GetInstance()->KillProcess(2);
 388   TaskManagerBrowserTestUtil::WaitForWebResourceChange(1);
 389
 390   // Reload the extension using the "crashed extension" infobar while the task
 391   // manager is still visible. Make sure we don't crash and the extension
 392   // gets reloaded and noticed in the task manager.
 393   InfoBarService* infobar_service = InfoBarService::FromWebContents(
 394       browser()->tab_strip_model()->GetActiveWebContents());
 395   ASSERT_EQ(1U, infobar_service->infobar_count());
 396   ConfirmInfoBarDelegate* delegate =
 397       infobar_service->infobar_at(0)->delegate()->AsConfirmInfoBarDelegate();
 398   ASSERT_TRUE(delegate);
 399   delegate->Accept();
 400   TaskManagerBrowserTestUtil::WaitForWebResourceChange(3);
 401 }
 402
 403 #if defined(OS_WIN)
 404 // http://crbug.com/93158.
 405 #define MAYBE_ReloadExtension DISABLED_ReloadExtension
 406 #else
 407 #define MAYBE_ReloadExtension ReloadExtension
 408 #endif
 409
 410 // Regression test for http://crbug.com/18693.
 411 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, MAYBE_ReloadExtension) {
 412   int resource_count = TaskManager::GetInstance()->model()->ResourceCount();
 413   LOG(INFO) << "loading extension";
 414   ASSERT_TRUE(LoadExtension(
 415       test_data_dir_.AppendASCII("common").AppendASCII("background_page")));
 416
 417   // Wait until we see the loaded extension in the task manager (the three
 418   // resources are: the browser process, New Tab Page, and the extension).
 419   LOG(INFO) << "waiting for resource change";
 420   TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
 421
 422   EXPECT_TRUE(model()->GetResourceExtension(0) == NULL);
 423   EXPECT_TRUE(model()->GetResourceExtension(1) == NULL);
 424   ASSERT_TRUE(model()->GetResourceExtension(resource_count) != NULL);
 425
 426   const extensions::Extension* extension = model()->GetResourceExtension(
 427       resource_count);
 428   ASSERT_TRUE(extension != NULL);
 429
 430   // Reload the extension a few times and make sure our resource count
 431   // doesn't increase.
 432   LOG(INFO) << "First extension reload";
 433   ReloadExtension(extension->id());
 434   TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
 435   extension = model()->GetResourceExtension(resource_count);
 436   ASSERT_TRUE(extension != NULL);
 437
 438   LOG(INFO) << "Second extension reload";
 439   ReloadExtension(extension->id());
 440   TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
 441   extension = model()->GetResourceExtension(resource_count);
 442   ASSERT_TRUE(extension != NULL);
 443
 444   LOG(INFO) << "Third extension reload";
 445   ReloadExtension(extension->id());
 446   TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
 447 }
 448
 449 // Crashy, http://crbug.com/42301.
 450 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest,
 451                        DISABLED_PopulateWebCacheFields) {
 452   int resource_count = TaskManager::GetInstance()->model()->ResourceCount();
 453
 454   // Open a new tab and make sure we notice that.
 455   GURL url(ui_test_utils::GetTestUrl(base::FilePath(
 456       base::FilePath::kCurrentDirectory), base::FilePath(kTitle1File)));
 457   AddTabAtIndex(0, url, content::PAGE_TRANSITION_TYPED);
 458   TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
 459
 460   // Check that we get some value for the cache columns.
 461   DCHECK_NE(model()->GetResourceWebCoreImageCacheSize(resource_count),
 462             l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT));
 463   DCHECK_NE(model()->GetResourceWebCoreScriptsCacheSize(resource_count),
 464             l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT));
 465   DCHECK_NE(model()->GetResourceWebCoreCSSCacheSize(resource_count),
 466             l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT));
 467 }
 468
 469 // Checks that task manager counts a worker thread JS heap size.
 470 // http://crbug.com/241066
 471 // Flaky, http://crbug.com/259368
 472 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, DISABLED_WebWorkerJSHeapMemory) {
 473   GURL url(ui_test_utils::GetTestUrl(base::FilePath(
 474       base::FilePath::kCurrentDirectory), base::FilePath(kTitle1File)));
 475   ui_test_utils::NavigateToURL(browser(), url);
 476   const int extra_timeout_ms = 500;
 477   size_t minimal_heap_size = 2 * 1024 * 1024 * sizeof(void*);
 478   std::string test_js = base::StringPrintf(
 479       "var blob = new Blob([\n"
 480       "    'mem = new Array(%lu);',\n"
 481       "    'for (var i = 0; i < mem.length; i += 16) mem[i] = i;',\n"
 482       "    'postMessage();']);\n"
 483       "blobURL = window.URL.createObjectURL(blob);\n"
 484       "worker = new Worker(blobURL);\n"
 485       "// Give the task manager few seconds to poll for JS heap sizes.\n"
 486       "worker.onmessage = setTimeout.bind(\n"
 487       "    this,\n"
 488       "    function () { window.domAutomationController.send(true); },\n"
 489       "    %d);\n"
 490       "worker.postMessage();\n",
 491       static_cast<unsigned long>(minimal_heap_size),
 492       GetUpdateTimeMs() + extra_timeout_ms);
 493   bool ok;
 494   ASSERT_TRUE(content::ExecuteScriptAndExtractBool(
 495       browser()->tab_strip_model()->GetActiveWebContents(), test_js, &ok));
 496   ASSERT_TRUE(ok);
 497
 498   int resource_index = TaskManager::GetInstance()->model()->ResourceCount() - 1;
 499   size_t result;
 500
 501   ASSERT_TRUE(model()->GetV8Memory(resource_index, &result));
 502   LOG(INFO) << "Got V8 Heap Size " << result << " bytes";
 503   EXPECT_GE(result, minimal_heap_size);
 504
 505   ASSERT_TRUE(model()->GetV8MemoryUsed(resource_index, &result));
 506   LOG(INFO) << "Got V8 Used Heap Size " << result << " bytes";
 507   EXPECT_GE(result, minimal_heap_size);
 508 }
 509
 510 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, NoticeInTabDevToolsWindow) {
 511   DevToolsWindow::OpenDevToolsWindowForTest(
 512       model()->GetResourceWebContents(1)->GetRenderViewHost(), true);
 513   TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
 514 }
 515
 516 // This test differs from TaskManagerBrowserTest.NoticeInTabDevToolsWindow in
 517 // the order in which the devtools window and task manager are created.
 518 IN_PROC_BROWSER_TEST_F(TaskManagerNoShowBrowserTest,
 519                        NoticeInTabDevToolsWindow) {
 520   // First create the devtools window.
 521   DevToolsWindow::OpenDevToolsWindowForTest(
 522       browser()->tab_strip_model()->GetActiveWebContents()->GetRenderViewHost(),
 523       true);
 524   // Make sure that the devtools window is loaded before starting the task
 525   // manager.
 526   content::RunAllPendingInMessageLoop();
 527
 528   // Now add showing the task manager to the queue, and watch for the right
 529   // number of reources to show up.
 530   base::MessageLoop::current()->PostTask(
 531       FROM_HERE,
 532       base::Bind(&TaskManagerNoShowBrowserTest::ShowTaskManager,
 533                  base::Unretained(this)));
 534   TaskManagerBrowserTestUtil::WaitForWebResourceChange(2);
 535 }