Remove pointless InProcessBrowserTest calls.

chrome/browser/ui/views/task_manager_view_browsertest.cc

 // Copyright 2015 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 "base/macros.h"
 #include "base/strings/pattern.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 34 matching lines @@
   void SetUpOnMainThread() override {
     host_resolver()->AddRule("*", "127.0.0.1");
     ASSERT_TRUE(embedded_test_server()->Start());
   }
 
   void TearDownOnMainThread() override {
     // Make sure the task manager is closed (if any).
     chrome::HideTaskManager();
     content::RunAllPendingInMessageLoop();
     ASSERT_FALSE(GetView());
-
-    InProcessBrowserTest::TearDownOnMainThread();
   }
 
   TaskManagerView* GetView() const {
     return TaskManagerView::GetInstanceForTests();
   }
 
   views::TableView* GetTable() const {
     return GetView() ? GetView()->tab_table_ : nullptr;
   }
 
@@ skipping 252 matching lines @@
   // tabs[2] should still be selected.
   EXPECT_EQ(GetTable()->FirstSelectedRow(), FindRowForTab(tabs[2]));
 
   // Close tabs[0]. The selection should not change.
   chrome::CloseWebContents(browser(), tabs[0], false);
   ASSERT_NO_FATAL_FAILURE(WaitForTaskManagerRows((rows -= 1), pattern));
   EXPECT_EQ(GetTable()->FirstSelectedRow(), FindRowForTab(tabs[2]));
 }
 
 }  // namespace task_manager