Remove unused ScopedVector header includes.

base/message_loop/message_pump_perftest.cc

 // Copyright 2014 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 <stdint.h>
 
 #include "base/bind.h"
 #include "base/format_macros.h"
 #include "base/memory/ptr_util.h"
-#include "base/memory/scoped_vector.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/synchronization/condition_variable.h"
 #include "base/synchronization/lock.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/thread.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/perf/perf_test.h"
@@ skipping 273 matching lines @@
 
 TEST_F(PostTaskTest, TenTasksPerReload) {
   Run(10000, 10);
 }
 
 TEST_F(PostTaskTest, OneHundredTasksPerReload) {
   Run(1000, 100);
 }
 
 }  // namespace base