Move storage-related files from webkit/ to new top-level directory storage/

webkit/browser/blob/blob_data_handle.h

-// Copyright (c) 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.
-
-#ifndef WEBKIT_BROWSER_BLOB_BLOB_DATA_HANDLE_H_
-#define WEBKIT_BROWSER_BLOB_BLOB_DATA_HANDLE_H_
-
-#include <string>
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "base/supports_user_data.h"
-#include "webkit/browser/webkit_storage_browser_export.h"
-
-namespace base {
-class SequencedTaskRunner;
-}
-
-namespace webkit_blob {
-
-class BlobData;
-class BlobStorageContext;
-
-// A scoper object for use in chrome's main browser process, ensures
-// the underlying BlobData and its uuid remain in BlobStorageContext's
-// collection for the duration. This object has delete semantics and
-// maybe deleted on any thread.
-class WEBKIT_STORAGE_BROWSER_EXPORT BlobDataHandle
-    : public base::SupportsUserData::Data {
- public:
-  BlobDataHandle(const BlobDataHandle& other);  // May be copied on any thread.
-  virtual ~BlobDataHandle();  // Maybe be deleted on any thread.
-  BlobData* data() const;  // May only be accessed on the IO thread.
-
-  std::string uuid() const;  // May be accessed on any thread.
-
- private:
-  class BlobDataHandleShared
-      : public base::RefCountedThreadSafe<BlobDataHandleShared> {
-   public:
-    BlobDataHandleShared(BlobData* blob_data,
-                         BlobStorageContext* context,
-                         base::SequencedTaskRunner* task_runner);
-
-    BlobData* data() const;
-    const std::string& uuid() const;
-
-   private:
-    friend class base::DeleteHelper<BlobDataHandleShared>;
-    friend class base::RefCountedThreadSafe<BlobDataHandleShared>;
-    friend class BlobDataHandle;
-
-    virtual ~BlobDataHandleShared();
-
-    scoped_refptr<BlobData> blob_data_;
-    base::WeakPtr<BlobStorageContext> context_;
-
-    DISALLOW_COPY_AND_ASSIGN(BlobDataHandleShared);
-  };
-
-  friend class BlobStorageContext;
-  BlobDataHandle(BlobData* blob_data, BlobStorageContext* context,
-                 base::SequencedTaskRunner* task_runner);
-
-  scoped_refptr<base::SequencedTaskRunner> io_task_runner_;
-  scoped_refptr<BlobDataHandleShared> shared_;
-};
-
-}  // namespace webkit_blob
-
-#endif  // WEBKIT_BROWSER_BLOB_BLOB_DATA_HANDLE_H_