Discard duplicate includes of files from storage

storage/browser/fileapi/sandbox_file_system_backend.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 "storage/browser/fileapi/sandbox_file_system_backend.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/task_runner_util.h"
 #include "storage/browser/fileapi/async_file_util_adapter.h"
 #include "storage/browser/fileapi/copy_or_move_file_validator.h"
 #include "storage/browser/fileapi/file_stream_reader.h"
 #include "storage/browser/fileapi/file_stream_writer.h"
 #include "storage/browser/fileapi/file_system_context.h"
 #include "storage/browser/fileapi/file_system_operation.h"
 #include "storage/browser/fileapi/file_system_operation_context.h"
 #include "storage/browser/fileapi/file_system_options.h"
 #include "storage/browser/fileapi/file_system_usage_cache.h"
 #include "storage/browser/fileapi/obfuscated_file_util.h"
-#include "storage/browser/fileapi/sandbox_file_system_backend_delegate.h"
 #include "storage/browser/fileapi/sandbox_quota_observer.h"
 #include "storage/browser/quota/quota_manager.h"
 #include "storage/common/fileapi/file_system_types.h"
 #include "storage/common/fileapi/file_system_util.h"
 #include "url/gurl.h"
 
 using storage::QuotaManagerProxy;
 using storage::SpecialStoragePolicy;
 
 namespace storage {
@@ skipping 140 matching lines @@
   return delegate_->GetAccessObservers(type);
 }
 
 SandboxFileSystemBackendDelegate::OriginEnumerator*
 SandboxFileSystemBackend::CreateOriginEnumerator() {
   DCHECK(delegate_);
   return delegate_->CreateOriginEnumerator();
 }
 
 }  // namespace storage