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

components/gcm_driver/crypto/gcm_encryption_provider_unittest.cc

 // Copyright 2015 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.
 
 #include "components/gcm_driver/crypto/gcm_encryption_provider.h"
 
 #include <sstream>
 #include <string>
 
 #include "base/base64url.h"
@@ skipping 258 matching lines @@
   std::string shared_secret;
   ASSERT_TRUE(ComputeSharedP256Secret(
       pair.private_key(), pair.public_key_x509(), server_pair.public_key(),
       &shared_secret));
 
   IncomingMessage message;
   size_t record_size;
 
   // Encrypts the |kExampleMessage| using the generated shared key and the
   // random |salt|, storing the result in |record_size| and the message.
-  GCMMessageCryptographer cryptographer;
+  GCMMessageCryptographer cryptographer(pair.public_key(), server_pair.public_key());
   ASSERT_TRUE(cryptographer.Encrypt(kExampleMessage, shared_secret, salt,
                                     &record_size, &message.raw_data));
 
   std::string encoded_salt, encoded_key;
 
   // Compile the incoming GCM message, including the required headers.
   base::Base64UrlEncode(
       salt, base::Base64UrlEncodePolicy::INCLUDE_PADDING, &encoded_salt);
   base::Base64UrlEncode(
       server_pair.public_key(), base::Base64UrlEncodePolicy::INCLUDE_PADDING,
@@ skipping 10 matching lines @@
 
   // Decrypt the message, and expect everything to go wonderfully well.
   ASSERT_NO_FATAL_FAILURE(Decrypt(message));
   ASSERT_EQ(DECRYPTION_SUCCEEDED, decryption_result());
 
   EXPECT_TRUE(decrypted_message().decrypted);
   EXPECT_EQ(kExampleMessage, decrypted_message().raw_data);
 }
 
 }  // namespace gcm