Move the Mac Task Manager to the new backend code.

chrome/browser/task_management/task_manager_browsertest.cc

 // Copyright 2016 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 <stddef.h>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/path_service.h"
@@ skipping 80 matching lines @@
   }
 
   void HideTaskManager() {
     model_.reset();
 
     // Hide the task manager, and wait for it to go.
     chrome::HideTaskManager();
     base::RunLoop().RunUntilIdle();  // OnWindowClosed happens asynchronously.
   }
 
-  void Refresh() {
-    task_management::TaskManagerTester::MaybeRefreshLegacyInstance();
-  }
-
   GURL GetTestURL() {
     return ui_test_utils::GetTestUrl(
         base::FilePath(base::FilePath::kCurrentDirectory),
         base::FilePath(kTitle1File));
   }
 
   int FindResourceIndex(const base::string16& title) {
     for (int i = 0; i < model_->GetRowCount(); ++i) {
       if (title == model_->GetRowTitle(i))
         return i;
@@ skipping 570 matching lines @@
   observer.Wait();
 
   // Check that the new entry's title starts with "Tab:".
   ASSERT_NO_FATAL_FAILURE(WaitForTaskManagerRows(2, MatchAnyTab()));
 
   // Load the hosted app and make sure it still starts with "Tab:",
   // since it hasn't changed to an app process yet.
   ASSERT_TRUE(LoadExtension(
       test_data_dir_.AppendASCII("api_test").AppendASCII("app_process")));
   // Force the TaskManager to query the title.
-  Refresh();
   ASSERT_NO_FATAL_FAILURE(WaitForTaskManagerRows(2, MatchAnyTab()));
   ASSERT_NO_FATAL_FAILURE(WaitForTaskManagerRows(1, MatchAboutBlankTab()));
   ASSERT_NO_FATAL_FAILURE(WaitForTaskManagerRows(1, MatchTab("Unmodified")));
   ASSERT_NO_FATAL_FAILURE(WaitForTaskManagerRows(0, MatchAnyExtension()));
 
   // Now reload and check that the last entry's title now starts with "App:".
   ui_test_utils::NavigateToURL(browser(), url);
 
   // Force the TaskManager to query the title.
   ASSERT_NO_FATAL_FAILURE(WaitForTaskManagerRows(1, MatchAnyTab()));
@@ skipping 473 matching lines @@
 
   HideTaskManager();
   ShowTaskManager();
 
   ASSERT_NO_FATAL_FAILURE(
       WaitForTaskManagerRows(1, MatchTab("Title Of Awesomeness")));
   ASSERT_NO_FATAL_FAILURE(WaitForTaskManagerRows(0, MatchAnySubframe()));
 }
 
 IN_PROC_BROWSER_TEST_P(TaskManagerOOPIFBrowserTest, OrderingOfDependentRows) {
-#if defined(OS_MACOSX)
-  // The ordering under test here is not implemented in the legacy task manager.
-  if (!task_management::TaskManagerInterface::IsNewTaskManagerEnabled())
-    return;
-#endif
-
   ShowTaskManager();
 
   GURL a_with_frames(embedded_test_server()->GetURL(
       "a.com", "/cross_site_iframe_factory.html?a(b,b,c(d,a,b,c))"));
   browser()->OpenURL(content::OpenURLParams(a_with_frames, content::Referrer(),
                                             CURRENT_TAB,
                                             ui::PAGE_TRANSITION_TYPED, false));
 
   if (ShouldExpectSubframes()) {
     ASSERT_NO_FATAL_FAILURE(
@@ skipping 64 matching lines @@
 
     // Because the subframes for tab 2 are nested, their order is deterministic.
     EXPECT_EQ("Subframe: http://a.com/",
               base::UTF16ToUTF8(model()->GetRowTitle(tab2_start + 1)));
     EXPECT_EQ("Subframe: http://c.com/",
               base::UTF16ToUTF8(model()->GetRowTitle(tab2_start + 2)));
     EXPECT_EQ("Subframe: http://b.com/",
               base::UTF16ToUTF8(model()->GetRowTitle(tab2_start + 3)));
   }
 }