[NOT FOR REVIEW] Ensure contributory behaviour for Web Push encryption.

crypto/ec_private_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_EC_PRIVATE_KEY_H_
 #define CRYPTO_EC_PRIVATE_KEY_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 77 matching lines @@
   bool ExportPublicKey(std::vector<uint8>* output);
 
   // Exports the public key as an EC point in the uncompressed point format.
   bool ExportRawPublicKey(std::string* output);
 
   // Exports private key data for testing. The format of data stored into output
   // doesn't matter other than that it is consistent for the same key.
   bool ExportValue(std::vector<uint8>* output);
   bool ExportECParams(std::vector<uint8>* output);
 
- private:
+// private:
   // Constructor is private. Use one of the Create*() methods above instead.
   ECPrivateKey();
 
 #if defined(USE_OPENSSL)
   EVP_PKEY* key_;
 #else
   SECKEYPrivateKey* key_;
   SECKEYPublicKey* public_key_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ECPrivateKey);
 };
 
 
 }  // namespace crypto
 
 #endif  // CRYPTO_EC_PRIVATE_KEY_H_