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

components/gcm_driver/crypto/encryption_header_parsers.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_ENCRYPTION_HEADER_PARSERS_H_
 #define COMPONENTS_GCM_DRIVER_CRYPTO_ENCRYPTION_HEADER_PARSERS_H_
 
 #include <stdint.h>
 #include <string>
 #include <vector>
 
 namespace gcm {
 
 // Structure representing the parsed values from the Encryption HTTP header.
 // |salt| is stored after having been base64url decoded.
 struct EncryptionHeaderValues {
   std::string keyid;
   std::string salt;
   uint64_t rs;
 };
 
 // Parses |input| following the syntax of the Encryption HTTP header. The parsed
 // values will be stored in the |*values| argument.
 //
-// https://tools.ietf.org/html/draft-thomson-http-encryption-01#section-3
+// https://tools.ietf.org/html/draft-thomson-http-encryption-02#section-3
 //
 // This header follows the #list syntax from the extended ABNF syntax
 // defined in section 1.2 of RFC 7230:
 //
 // https://tools.ietf.org/html/rfc7230#section-1.2
 //
 // Returns whether the |input| could be successfully parsed, and the resulting
 // values are now available in the |*values| argument. Does not modify |*values|
 // unless parsing was successful.
 bool ParseEncryptionHeader(const std::string& input,
                            std::vector<EncryptionHeaderValues>* values);
 
-// Structure representing the parsed values from the Encryption-Key HTTP header.
-// |key| and |dh| are stored after having been base64url decoded.
-struct EncryptionKeyHeaderValues {
+// Structure representing the parsed values from the Crypto-Key HTTP header.
+// |aesgcm128| and |dh| are stored after having been base64url decoded.
+struct CryptoKeyHeaderValues {
   std::string keyid;
-  std::string key;
+  std::string aesgcm128;
   std::string dh;
 };
 
-// Parses |input| following the syntax of the Encryption-Key HTTP header. The
-// parsed values will be stored in the |*values| argument.
+// Parses |input| following the syntax of the Crypto-Key HTTP header. The parsed
+// values will be stored in the |*values| argument.
 //
-// https://tools.ietf.org/html/draft-thomson-http-encryption-01#section-4
+// https://tools.ietf.org/html/draft-thomson-http-encryption-02#section-4
 //
 // This header follows the #list syntax from the extended ABNF syntax
 // defined in section 1.2 of RFC 7230:
 //
 // https://tools.ietf.org/html/rfc7230#section-1.2
 //
 // Returns whether the |input| could be successfully parsed, and the resulting
 // values are now available in the |*values| argument. Does not modify |*values|
 // unless parsing was successful.
-bool ParseEncryptionKeyHeader(const std::string& input,
-                              std::vector<EncryptionKeyHeaderValues>* values);
+bool ParseCryptoKeyHeader(const std::string& input,
+                          std::vector<CryptoKeyHeaderValues>* values);
 
 }  // namespace gcm
 
 #endif  // COMPONENTS_GCM_DRIVER_CRYPTO_ENCRYPTION_HEADER_PARSERS_H_