WebUI TaskManager: Turn it on-by-default on Win/Mac/Linux

chrome/browser/task_manager/task_manager_browsertest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/task_manager/task_manager.h"
 
 #include "base/file_path.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/background/background_contents_service.h"
 #include "chrome/browser/background/background_contents_service_factory.h"
@@ skipping 189 matching lines @@
   // Unload extension to avoid crash on Windows (see http://crbug.com/31663).
   UnloadExtension(last_loaded_extension_id_);
   TaskManagerBrowserTestUtil::WaitForResourceChange(2);
   EXPECT_EQ(0, TaskManager::GetBackgroundPageCount());
 }
 
 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, NoticeExtensionTabs) {
   // Show the task manager. This populates the model, and helps with debugging
   // (you see the task manager).
   browser()->window()->ShowTaskManager();
+  // Wait for loading of task manager.
+  TaskManagerBrowserTestUtil::WaitForResourceChange(2);
 
   ASSERT_TRUE(LoadExtension(
       test_data_dir_.AppendASCII("good").AppendASCII("Extensions")
                     .AppendASCII("behllobkkfkfnphdnhnkndlbkcpglgmj")
                     .AppendASCII("1.0.0.0")));
 
   // Browser, Extension background page, and the New Tab Page.
   TaskManagerBrowserTestUtil::WaitForResourceChange(3);
 
   // Open a new tab to an extension URL and make sure we notice that.
@@ skipping 19 matching lines @@
 
   // Unload extension to avoid crash on Windows.
   UnloadExtension(last_loaded_extension_id_);
   TaskManagerBrowserTestUtil::WaitForResourceChange(2);
 }
 
 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, NoticeAppTabs) {
   // Show the task manager. This populates the model, and helps with debugging
   // (you see the task manager).
   browser()->window()->ShowTaskManager();
+  // Wait for loading of task manager.
+  TaskManagerBrowserTestUtil::WaitForResourceChange(2);
 
   ASSERT_TRUE(LoadExtension(
       test_data_dir_.AppendASCII("packaged_app")));
   ExtensionService* service = browser()->profile()->GetExtensionService();
   const Extension* extension =
       service->GetExtensionById(last_loaded_extension_id_, false);
 
   // Browser and the New Tab Page.
   TaskManagerBrowserTestUtil::WaitForResourceChange(2);
 
@@ skipping 64 matching lines @@
 
   // The third entry's title should be back to a normal tab.
   ASSERT_TRUE(StartsWith(model()->GetResourceTitle(2), tab_prefix, true));
 }
 
 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, MAYBE_KillExtension) {
   EXPECT_EQ(0, TaskManager::GetBackgroundPageCount());
   // Show the task manager. This populates the model, and helps with debugging
   // (you see the task manager).
   browser()->window()->ShowTaskManager();
+  // Wait for loading of task manager.
+  TaskManagerBrowserTestUtil::WaitForResourceChange(2);
 
   ASSERT_TRUE(LoadExtension(
       test_data_dir_.AppendASCII("common").AppendASCII("background_page")));
 
   // Wait until we see the loaded extension in the task manager (the three
   // resources are: the browser process, New Tab Page, and the extension).
   TaskManagerBrowserTestUtil::WaitForResourceChange(3);
   EXPECT_EQ(1, TaskManager::GetBackgroundPageCount());
 
   EXPECT_TRUE(model()->GetResourceExtension(0) == NULL);
   EXPECT_TRUE(model()->GetResourceExtension(1) == NULL);
   ASSERT_TRUE(model()->GetResourceExtension(2) != NULL);
 
   // Kill the extension process and make sure we notice it.
   TaskManager::GetInstance()->KillProcess(2);
   TaskManagerBrowserTestUtil::WaitForResourceChange(2);
   EXPECT_EQ(0, TaskManager::GetBackgroundPageCount());
 }
 
 // Disabled, http://crbug.com/66957.
 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest,
                        DISABLED_KillExtensionAndReload) {
   // Show the task manager. This populates the model, and helps with debugging
   // (you see the task manager).
   browser()->window()->ShowTaskManager();
+  // Wait for loading of task manager.
+  TaskManagerBrowserTestUtil::WaitForResourceChange(2);
 
   ASSERT_TRUE(LoadExtension(
       test_data_dir_.AppendASCII("common").AppendASCII("background_page")));
 
   // Wait until we see the loaded extension in the task manager (the three
   // resources are: the browser process, New Tab Page, and the extension).
   TaskManagerBrowserTestUtil::WaitForResourceChange(3);
 
   EXPECT_TRUE(model()->GetResourceExtension(0) == NULL);
   EXPECT_TRUE(model()->GetResourceExtension(1) == NULL);
@@ skipping 21 matching lines @@
 #define MAYBE_ReloadExtension FLAKY_ReloadExtension
 #else
 #define MAYBE_ReloadExtension ReloadExtension
 #endif
 
 // Regression test for http://crbug.com/18693.
 IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, MAYBE_ReloadExtension) {
   // Show the task manager. This populates the model, and helps with debugging
   // (you see the task manager).
   browser()->window()->ShowTaskManager();
+  // Wait for loading of task manager.
+  TaskManagerBrowserTestUtil::WaitForResourceChange(2);
 
   LOG(INFO) << "loading extension";
   ASSERT_TRUE(LoadExtension(
       test_data_dir_.AppendASCII("common").AppendASCII("background_page")));
 
   // Wait until we see the loaded extension in the task manager (the three
   // resources are: the browser process, New Tab Page, and the extension).
   LOG(INFO) << "waiting for resource change";
   TaskManagerBrowserTestUtil::WaitForResourceChange(3);
 
@@ skipping 42 matching lines @@
   TaskManagerBrowserTestUtil::WaitForResourceChange(3);
 
   // Check that we get some value for the cache columns.
   DCHECK_NE(model()->GetResourceWebCoreImageCacheSize(2),
             l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT));
   DCHECK_NE(model()->GetResourceWebCoreScriptsCacheSize(2),
             l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT));
   DCHECK_NE(model()->GetResourceWebCoreCSSCacheSize(2),
             l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT));
 }