Use a direct include of utf_string_conversions.h in chrome/browser/, part 3.

chrome/browser/task_manager/task_manager_browsertest_util.cc

 // Copyright (c) 2012 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 "base/message_loop.h"
 #include "base/stringprintf.h"
-#include "base/utf_string_conversions.h"
+#include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/task_manager/resource_provider.h"
 #include "chrome/browser/task_manager/task_manager.h"
 #include "chrome/browser/task_manager/task_manager_browsertest_util.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/test/base/ui_test_utils.h"
@@ skipping 69 matching lines @@
   // This check has to be placed after the installation of the observer,
   // because resources may change before that.
   if (GetWebResourceCount(model) == target_count) {
     model->RemoveObserver(&observer);
     return;
   }
 
   content::RunMessageLoop();
   model->RemoveObserver(&observer);
 }