[Sync] Removing duplicate includes, part 2.

components/sync/core_impl/attachments/task_queue_unittest.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 "components/sync/core/attachments/task_queue.h"
 
-#include <utility>
 #include <vector>
 
-#include "base/bind.h"
-#include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/timer/mock_timer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::TimeDelta;
 
 namespace syncer {
 
 namespace {
@@ skipping 204 matching lines @@
   mock_timer->Fire();
   RunLoop();
   ASSERT_FALSE(mock_timer->IsRunning());
   ASSERT_EQ(1U, dispatched_.size());
   EXPECT_EQ(1, dispatched_.front());
   dispatched_.clear();
   queue_->MarkAsSucceeded(1);
 }
 
 }  // namespace syncer