Abstracts SHA256 context for NSS / OpenSSL.

chrome/browser/download/base_file.h

 // Copyright (c) 2010 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_DOWNLOAD_BASE_FILE_H_
 #define CHROME_BROWSER_DOWNLOAD_BASE_FILE_H_
 #pragma once
 
 #include <string>
 
 #include "base/file_path.h"
 #include "base/linked_ptr.h"
 #include "base/scoped_ptr.h"
-#include "base/third_party/nss/blapi.h"
 #include "chrome/browser/power_save_blocker.h"
 #include "googleurl/src/gurl.h"
 
+namespace base {
+class SecureHash;
+}
 namespace net {
 class FileStream;
 }
 
 // File being downloaded and saved to disk. This is a base class
 // for DownloadFile and SaveFile, which keep more state information.
 class BaseFile {
  public:
   BaseFile(const FilePath& full_path,
            const GURL& source_url,
@@ skipping 60 matching lines @@
   int64 bytes_so_far_;
 
   // RAII handle to keep the system from sleeping while we're downloading.
   PowerSaveBlocker power_save_blocker_;
 
   // Indicates if sha256 hash should be calculated for the file.
   bool calculate_hash_;
 
   // Used to calculate sha256 hash for the file when calculate_hash_
   // is set.
-  scoped_ptr<SHA256Context> sha_context_;
+  scoped_ptr<base::SecureHash> secure_hash_;
 
   unsigned char sha256_hash_[kSha256HashLen];
 
   DISALLOW_COPY_AND_ASSIGN(BaseFile);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_BASE_FILE_H_