Create blobs from Disk Cache entries.

net/base/upload_bytes_element_reader.h

 // 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.
 
 #ifndef NET_BASE_UPLOAD_BYTES_ELEMENT_READER_H_
 #define NET_BASE_UPLOAD_BYTES_ELEMENT_READER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "net/base/net_export.h"
 #include "net/base/upload_element_reader.h"
 
 namespace net {
 
-// An UploadElementReader implementation for bytes.
-// |data| should outlive this class because this class does not take the
-// ownership of the data.
+// An UploadElementReader implementation for bytes. The caller owns |bytes|,
+// and is responsible for ensuring it outlives the UploadBytesElementReader.
 class NET_EXPORT UploadBytesElementReader : public UploadElementReader {
  public:
   UploadBytesElementReader(const char* bytes, uint64_t length);
   ~UploadBytesElementReader() override;
 
   const char* bytes() const { return bytes_; }
   uint64_t length() const { return length_; }
 
   // UploadElementReader overrides:
   const UploadBytesElementReader* AsBytesReader() const override;
@@ skipping 27 matching lines @@
 
  private:
   std::vector<char> data_;
 
   DISALLOW_COPY_AND_ASSIGN(UploadOwnedBytesElementReader);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_UPLOAD_BYTES_ELEMENT_READER_H_