Discard duplicate includes of files from storage

storage/browser/quota/quota_manager.cc

 // Copyright 2013 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 "storage/browser/quota/quota_manager.h"
 
 #include <algorithm>
-#include <deque>
 #include <functional>
-#include <set>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
-#include "base/callback.h"
 #include "base/command_line.h"
-#include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/metrics/histogram.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/sequenced_task_runner.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/sys_info.h"
 #include "base/task_runner_util.h"
 #include "base/time/time.h"
 #include "net/base/net_util.h"
 #include "storage/browser/quota/client_usage_tracker.h"
-#include "storage/browser/quota/quota_database.h"
 #include "storage/browser/quota/quota_manager_proxy.h"
 #include "storage/browser/quota/quota_temporary_storage_evictor.h"
 #include "storage/browser/quota/storage_monitor.h"
 #include "storage/browser/quota/usage_tracker.h"
 #include "storage/common/quota/quota_types.h"
 
 #define UMA_HISTOGRAM_MBYTES(name, sample)          \
   UMA_HISTOGRAM_CUSTOM_COUNTS(                      \
       (name), static_cast<int>((sample) / kMBytes), \
       1, 10 * 1024 * 1024 /* 10TB */, 100)
@@ skipping 1588 matching lines @@
   // |database_|, therefore we can be sure that database_ is alive when this
   // task runs.
   base::PostTaskAndReplyWithResult(
       db_thread_.get(),
       from_here,
       base::Bind(task, base::Unretained(database_.get())),
       reply);
 }
 
 }  // namespace storage