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

chrome/browser/chromeos/file_system_provider/fileapi/buffering_file_stream_reader.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_BUFFERING_FILE_STREAM_READER_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_BUFFERING_FILE_STREAM_READER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
-#include "webkit/browser/blob/file_stream_reader.h"
+#include "storage/browser/blob/file_stream_reader.h"
 
 namespace net {
 class IOBuffer;
 }  // namespace net
 
 namespace chromeos {
 namespace file_system_provider {
 
 // Wraps the file stream reader implementation with a prefetching buffer.
 // Reads data from the internal file stream reader in chunks of size at least
 // |buffer_size| bytes (or less for the last chunk, because of EOF).
 //
 // The underlying inner file stream reader *must not* return any values
 // synchronously. Instead, results must be returned by a callback, including
 // errors.
-class BufferingFileStreamReader : public webkit_blob::FileStreamReader {
+class BufferingFileStreamReader : public storage::FileStreamReader {
  public:
   BufferingFileStreamReader(
-      scoped_ptr<webkit_blob::FileStreamReader> file_stream_reader,
+      scoped_ptr<storage::FileStreamReader> file_stream_reader,
       int buffer_size);
 
   virtual ~BufferingFileStreamReader();
 
-  // webkit_blob::FileStreamReader overrides.
+  // storage::FileStreamReader overrides.
   virtual int Read(net::IOBuffer* buf,
                    int buf_len,
                    const net::CompletionCallback& callback) OVERRIDE;
   virtual int64 GetLength(
       const net::Int64CompletionCallback& callback) OVERRIDE;
 
  private:
   // Copies data from the preloading buffer and updates the internal iterator.
   // Returns number of bytes successfully copied.
   int CopyFromPreloadingBuffer(scoped_refptr<net::IOBuffer> buffer,
                                int buffer_length);
 
   // Preloads data from the internal stream reader and calls the |callback|.
   void Preload(const net::CompletionCallback& callback);
 
   // Called when preloading of a buffer chunk is finished. Updates state of the
   // preloading buffer and copied requested data to the |buffer|.
   void OnPreloadCompleted(scoped_refptr<net::IOBuffer> buffer,
                           int buffer_length,
                           const net::CompletionCallback& callback,
                           int result);
 
-  scoped_ptr<webkit_blob::FileStreamReader> file_stream_reader_;
+  scoped_ptr<storage::FileStreamReader> file_stream_reader_;
   int buffer_size_;
   scoped_refptr<net::IOBuffer> preloading_buffer_;
   int preloading_buffer_offset_;
   int buffered_bytes_;
 
   base::WeakPtrFactory<BufferingFileStreamReader> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(BufferingFileStreamReader);
 };
 
 }  // namespace file_system_provider
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FILEAPI_BUFFERING_FILE_STREAM_READER_H_