[Part 6 of 6] Move browsertests and utils to task_management/ directory

chrome/browser/task_management/task_manager_tester.h

 // 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.
 
 #ifndef CHROME_BROWSER_TASK_MANAGEMENT_TASK_MANAGER_TESTER_H_
 #define CHROME_BROWSER_TASK_MANAGEMENT_TASK_MANAGER_TESTER_H_
 
-#include <stddef.h>
+#include <stdint.h>
 
 #include <memory>
 
 #include "base/callback_forward.h"
 #include "base/strings/string16.h"
-#include "chrome/browser/task_manager/task_manager_browsertest_util.h"
+#include "chrome/browser/task_management/task_manager_browsertest_util.h"
 
 namespace task_management {
 
 // An adapter that abstracts away the difference of old vs. new task manager.
 class TaskManagerTester {
  public:
-  using ColumnSpecifier = task_manager::browsertest_util::ColumnSpecifier;
+  using ColumnSpecifier = browsertest_util::ColumnSpecifier;
 
   // Creates a TaskManagerTester backed by the current task manager. The task
   // manager should already be visible when you call this function. |callback|,
   // if not a null callback, will be invoked when the underlying model changes.
   static std::unique_ptr<TaskManagerTester> Create(
       const base::Closure& callback);
 
   virtual ~TaskManagerTester() {}
 
   // Get the number of rows currently in the task manager.
@@ skipping 13 matching lines @@
   // return -1.
   virtual int32_t GetTabId(int row) = 0;
 
   // Kill the process of |row|.
   virtual void Kill(int row) = 0;
 };
 
 }  // namespace task_management
 
 #endif  // CHROME_BROWSER_TASK_MANAGEMENT_TASK_MANAGER_TESTER_H_