Introduce USE_OPENSSL_CERTS for certificate handling.

crypto/symmetric_key.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_SYMMETRIC_KEY_H_
 #define CRYPTO_SYMMETRIC_KEY_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "crypto/crypto_export.h"
 
 #if defined(NACL_WIN64)
 // See comments for crypto_nacl_win64 in crypto.gyp.
 // Must test for NACL_WIN64 before OS_WIN since former is a subset of latter.
 #include "crypto/scoped_capi_types.h"
-#elif defined(USE_NSS) || defined(OS_WIN) || defined(OS_MACOSX)
+#elif !defined(USE_OPENSSL) && \
+    (defined(USE_NSS) || defined(OS_WIN) || defined(OS_MACOSX))
 #include "crypto/scoped_nss_types.h"
 #endif
 
 namespace crypto {
 
 // Wraps a platform-specific symmetric key and allows it to be held in a
 // scoped_ptr.
 class CRYPTO_EXPORT SymmetricKey {
  public:
   // Defines the algorithm that a key will be used with. See also
@@ skipping 68 matching lines @@
   explicit SymmetricKey(PK11SymKey* key);
   ScopedPK11SymKey key_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(SymmetricKey);
 };
 
 }  // namespace crypto
 
 #endif  // CRYPTO_SYMMETRIC_KEY_H_