Rename Encryption-Key to Crypto-Key, "key" parameter to "aesgcm128".

components/gcm_driver/crypto/gcm_encryption_provider.h

 // 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.
 
 #ifndef COMPONENTS_GCM_DRIVER_CRYPTO_GCM_ENCRYPTION_PROVIDER_H_
 #define COMPONENTS_GCM_DRIVER_CRYPTO_GCM_ENCRYPTION_PROVIDER_H_
 
 #include <stdint.h>
 #include <string>
 
@@ skipping 23 matching lines @@
   // Callback to be invoked when a message has been decrypted.
   using MessageDecryptedCallback = base::Callback<void(const IncomingMessage&)>;
 
   // Reasons why the decryption of an incoming message can fail.
   enum DecryptionFailure {
     DECRYPTION_FAILURE_UNKNOWN,
 
     // The contents of the Encryption HTTP header could not be parsed.
     DECRYPTION_FAILURE_INVALID_ENCRYPTION_HEADER,
 
-    // The contents of the Encryption-Key HTTP header could not be parsed.
-    DECRYPTION_FAILURE_INVALID_ENCRYPTION_KEY_HEADER,
+    // The contents of the Crypto-Key HTTP header could not be parsed.
+    DECRYPTION_FAILURE_INVALID_CRYPTO_KEY_HEADER,
 
     // No public/private key-pair was associated with the app_id.
     DECRYPTION_FAILURE_NO_KEYS,
 
-    // The public key provided in the Encryption-Key header is invalid.
+    // The public key provided in the Crypto-Key header is invalid.
     DECRYPTION_FAILURE_INVALID_PUBLIC_KEY,
 
     // The payload could not be decrypted as AES-128-GCM.
     DECRYPTION_FAILURE_INVALID_PAYLOAD
   };
 
   // Callback to be invoked when a message cannot be decoded.
   using DecryptionFailedCallback = base::Callback<void(DecryptionFailure)>;
 
   GCMEncryptionProvider();
@@ skipping 44 matching lines @@
   scoped_ptr<GCMKeyStore> key_store_;
 
   base::WeakPtrFactory<GCMEncryptionProvider> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GCMEncryptionProvider);
 };
 
 }  // namespace gcm
 
 #endif  // COMPONENTS_GCM_DRIVER_CRYPTO_GCM_ENCRYPTION_PROVIDER_H_