[BlobAsync] Moving async handling into BlobStorageContext & quota out.

storage/browser/blob/blob_transport_result.h

-// Copyright 2015 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 STORAGE_BROWSER_BLOB_BLOB_TRANSPORT_RESULT_H_
-#define STORAGE_BROWSER_BLOB_BLOB_TRANSPORT_RESULT_H_
-
-namespace storage {
-
-// This 'result' enum is used in the blob transport logic.
-enum class BlobTransportResult {
-  // This means we should flag the incoming IPC as a bad IPC.
-  BAD_IPC,
-  // Cancel reasons.
-  CANCEL_MEMORY_FULL,
-  CANCEL_FILE_ERROR,
-  CANCEL_REFERENCED_BLOB_BROKEN,
-  CANCEL_UNKNOWN,
-  // This means we're waiting on responses from the renderer.
-  PENDING_RESPONSES,
-  // We're done registering or transferring the blob.
-  DONE
-};
-
-}  // namespace storage
-
-#endif  // STORAGE_BROWSER_BLOB_BLOB_TRANSPORT_RESULT_H_