Removing NSS files and USE_OPENSSL flag

crypto/signature_creator.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 CRYPTO_SIGNATURE_CREATOR_H_
 #define CRYPTO_SIGNATURE_CREATOR_H_
 
 #include <stdint.h>
 
 #include <vector>
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "crypto/crypto_export.h"
 
-#if defined(USE_OPENSSL)
 // Forward declaration for openssl/*.h
 typedef struct env_md_ctx_st EVP_MD_CTX;
-#elif defined(USE_NSS_CERTS) || defined(OS_WIN) || defined(OS_MACOSX)
-// Forward declaration.
-struct SGNContextStr;
-#endif
 
 namespace crypto {
 
 class RSAPrivateKey;
 
 // Signs data using a bare private key (as opposed to a full certificate).
 // Currently can only sign data using SHA-1 or SHA-256 with RSA PKCS#1v1.5.
 class CRYPTO_EXPORT SignatureCreator {
  public:
   // The set of supported hash functions. Extend as required.
@@ skipping 21 matching lines @@
   // Update the signature with more data.
   bool Update(const uint8_t* data_part, int data_part_len);
 
   // Finalize the signature.
   bool Final(std::vector<uint8_t>* signature);
 
  private:
   // Private constructor. Use the Create() method instead.
   SignatureCreator();
 
-#if defined(USE_OPENSSL)
   EVP_MD_CTX* sign_context_;
-#elif defined(USE_NSS_CERTS) || defined(OS_WIN) || defined(OS_MACOSX)
-  SGNContextStr* sign_context_;
-#endif
 
   DISALLOW_COPY_AND_ASSIGN(SignatureCreator);
 };
 
 }  // namespace crypto
 
 #endif  // CRYPTO_SIGNATURE_CREATOR_H_