html_viewer: Move webcrypto to a place where html_viewer can use it.

content/child/webcrypto/status.h

Index: content/child/webcrypto/status.h
diff --git a/content/child/webcrypto/status.h b/content/child/webcrypto/status.h
deleted file mode 100644
index a021555f896373427df59699c374724b5242f888..0000000000000000000000000000000000000000
--- a/content/child/webcrypto/status.h
+++ /dev/null
@@ -1,290 +0,0 @@
-// Copyright 2014 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 CONTENT_CHILD_WEBCRYPTO_STATUS_H_
-#define CONTENT_CHILD_WEBCRYPTO_STATUS_H_
-
-#include <string>
-#include "content/common/content_export.h"
-#include "third_party/WebKit/public/platform/WebCrypto.h"
-
-namespace content {
-
-namespace webcrypto {
-
-// Status indicates whether an operation completed successfully, or with an
-// error. The error is used for verification in unit-tests, as well as for
-// display to the user.
-//
-// As such, it is important that errors DO NOT reveal any sensitive material
-// (like key bytes).
-class CONTENT_EXPORT Status {
- public:
-  Status() : type_(TYPE_ERROR) {}
-
-  // Returns true if the Status represents an error (any one of them).
-  bool IsError() const;
-
-  // Returns true if the Status represent success.
-  bool IsSuccess() const;
-
-  // Returns a UTF-8 error message (non-localized) describing the error.
-  const std::string& error_details() const { return error_details_; }
-
-  blink::WebCryptoErrorType error_type() const { return error_type_; }
-
-  // Constructs a status representing success.
-  static Status Success();
-
-  // Constructs a status representing a generic operation error. It contains no
-  // extra details.
-  static Status OperationError();
-
-  // Constructs a status representing a generic data error. It contains no
-  // extra details.
-  static Status DataError();
-
-  // ------------------------------------
-  // Errors when importing a JWK formatted key
-  // ------------------------------------
-
-  // The key bytes could not parsed as JSON dictionary. This either
-  // means there was a parsing error, or the JSON object was not
-  // convertable to a dictionary.
-  static Status ErrorJwkNotDictionary();
-
-  // The required JWK member |member_name| was missing.
-  static Status ErrorJwkMemberMissing(const std::string& member_name);
-
-  // The JWK member |member_name| was not of type |expected_type|.
-  static Status ErrorJwkMemberWrongType(const std::string& member_name,
-                                        const std::string& expected_type);
-
-  // The JWK member |member_name| was a string, however could not be
-  // successfully base64 decoded.
-  static Status ErrorJwkBase64Decode(const std::string& member_name);
-
-  // The "ext" parameter was specified but was
-  // incompatible with the value requested by the Web Crypto call.
-  static Status ErrorJwkExtInconsistent();
-
-  // The "alg" parameter is incompatible with the (optional) Algorithm
-  // specified by the Web Crypto import operation.
-  static Status ErrorJwkAlgorithmInconsistent();
-
-  // The "use" parameter was specified, however it couldn't be converted to an
-  // equivalent Web Crypto usage.
-  static Status ErrorJwkUnrecognizedUse();
-
-  // The "key_ops" parameter was specified, however one of the values in the
-  // array couldn't be converted to an equivalent Web Crypto usage.
-  static Status ErrorJwkUnrecognizedKeyop();
-
-  // The "use" parameter was specified, however it is incompatible with that
-  // specified by the Web Crypto import operation.
-  static Status ErrorJwkUseInconsistent();
-
-  // The "key_ops" parameter was specified, however it is incompatible with that
-  // specified by the Web Crypto import operation.
-  static Status ErrorJwkKeyopsInconsistent();
-
-  // Both the "key_ops" and the "use" parameters were specified, however they
-  // are incompatible with each other.
-  static Status ErrorJwkUseAndKeyopsInconsistent();
-
-  // The "kty" parameter was given and was a string, however it was not the
-  // expected value.
-  static Status ErrorJwkUnexpectedKty(const std::string& expected);
-
-  // The amount of key data provided was incompatible with the selected
-  // algorithm. For instance if the algorith name was A128CBC then EXACTLY
-  // 128-bits of key data must have been provided. If 192-bits of key data were
-  // given that is an error.
-  static Status ErrorJwkIncorrectKeyLength();
-
-  // The JWK member |member_name| is supposed to represent a big-endian unsigned
-  // integer, however was the empty string.
-  static Status ErrorJwkEmptyBigInteger(const std::string& member_name);
-
-  // The big-endian unsigned integer |member_name| contained leading zeros. This
-  // violates the JWA requirement that such octet strings be minimal.
-  static Status ErrorJwkBigIntegerHasLeadingZero(
-      const std::string& member_name);
-
-  // The key_ops lists a usage more than once.
-  static Status ErrorJwkDuplicateKeyOps();
-
-  // ------------------------------------
-  // Other errors
-  // ------------------------------------
-
-  // Tried importing a key using an unsupported format for the key type (for
-  // instance importing an HMAC key using format=spki).
-  static Status ErrorUnsupportedImportKeyFormat();
-
-  // Tried exporting a key using an unsupported format for the key type (for
-  // instance exporting an HMAC key using format=spki).
-  static Status ErrorUnsupportedExportKeyFormat();
-
-  // The key data buffer provided for importKey() is an incorrect length for
-  // AES.
-  static Status ErrorImportAesKeyLength();
-
-  // The length specified when deriving an AES key was not 128 or 256 bits.
-  static Status ErrorGetAesKeyLength();
-
-  // Attempted to generate an AES key with an invalid length.
-  static Status ErrorGenerateAesKeyLength();
-
-  // 192-bit AES keys are valid, however unsupported.
-  static Status ErrorAes192BitUnsupported();
-
-  // The wrong key was used for the operation. For instance, a public key was
-  // used to verify a RsaSsaPkcs1v1_5 signature, or tried exporting a private
-  // key using spki format.
-  static Status ErrorUnexpectedKeyType();
-
-  // When doing an AES-CBC encryption/decryption, the "iv" parameter was not 16
-  // bytes.
-  static Status ErrorIncorrectSizeAesCbcIv();
-
-  // When doing AES-CTR encryption/decryption, the "counter" parameter was not
-  // 16 bytes.
-  static Status ErrorIncorrectSizeAesCtrCounter();
-
-  // When doing AES-CTR encryption/decryption, the "length" parameter for the
-  // counter was out of range.
-  static Status ErrorInvalidAesCtrCounterLength();
-
-  // The input to encrypt/decrypt was too large. Based on the counter size, it
-  // would cause the counter to wraparound and repeat earlier values.
-  static Status ErrorAesCtrInputTooLongCounterRepeated();
-
-  // The data provided to an encrypt/decrypt/sign/verify operation was too
-  // large. This can either represent an internal limitation (for instance
-  // representing buffer lengths as uints).
-  static Status ErrorDataTooLarge();
-
-  // The data provided to an encrypt/decrypt/sign/verify operation was too
-  // small. This usually represents an algorithm restriction (for instance
-  // AES-KW requires a minimum of 24 bytes input data).
-  static Status ErrorDataTooSmall();
-
-  // Something was unsupported or unimplemented. This can mean the algorithm in
-  // question was unsupported, some parameter combination was unsupported, or
-  // something has not yet been implemented.
-  static Status ErrorUnsupported();
-  static Status ErrorUnsupported(const std::string& message);
-
-  // Something unexpected happened in the code, which implies there is a
-  // source-level bug. These should not happen, but safer to fail than simply
-  // DCHECK.
-  static Status ErrorUnexpected();
-
-  // The authentication tag length specified for AES-GCM encrypt/decrypt was
-  // not 32, 64, 96, 104, 112, 120, or 128.
-  static Status ErrorInvalidAesGcmTagLength();
-
-  // The input data given to an AES-KW encrypt/decrypt operation was not a
-  // multiple of 8 bytes, as required by RFC 3394.
-  static Status ErrorInvalidAesKwDataLength();
-
-  // The "publicExponent" used to generate a key was invalid or unsupported.
-  // Only values of 3 and 65537 are allowed.
-  static Status ErrorGenerateKeyPublicExponent();
-
-  // The modulus bytes were empty when importing an RSA public key.
-  static Status ErrorImportRsaEmptyModulus();
-
-  // The modulus length was unsupported when generating an RSA key pair.
-  static Status ErrorGenerateRsaUnsupportedModulus();
-
-  // The exponent bytes were empty when importing an RSA public key.
-  static Status ErrorImportRsaEmptyExponent();
-
-  // An unextractable key was used by an operation which exports the key data.
-  static Status ErrorKeyNotExtractable();
-
-  // Attempted to generate an HMAC key using a key length of 0.
-  static Status ErrorGenerateHmacKeyLengthZero();
-
-  // Attempted to import an HMAC key containing no data.
-  static Status ErrorHmacImportEmptyKey();
-
-  // Attempted to derive an HMAC key with zero length.
-  static Status ErrorGetHmacKeyLengthZero();
-
-  // Attempted to import an HMAC key using a bad optional length.
-  static Status ErrorHmacImportBadLength();
-
-  // Attempted to create a key (either by importKey(), generateKey(), or
-  // unwrapKey()) however the key usages were not applicable for the key type
-  // and algorithm.
-  static Status ErrorCreateKeyBadUsages();
-
-  // No usages were specified when generating/importing a secret or private key.
-  static Status ErrorCreateKeyEmptyUsages();
-
-  // An EC key imported using SPKI/PKCS8 format had the wrong curve specified in
-  // the key.
-  static Status ErrorImportedEcKeyIncorrectCurve();
-
-  // The "crv" member for a JWK did not match the expectations from importKey()
-  static Status ErrorJwkIncorrectCrv();
-
-  // The EC key failed validation (coordinates don't lie on curve, out of range,
-  // etc.)
-  static Status ErrorEcKeyInvalid();
-
-  // The octet string |member_name| was expected to be |expected_length| bytes
-  // long, but was instead |actual_length| bytes long.
-  static Status JwkOctetStringWrongLength(const std::string& member_name,
-                                          size_t expected_length,
-                                          size_t actual_length);
-
-  // The public key given for ECDH key derivation was not an EC public key.
-  static Status ErrorEcdhPublicKeyWrongType();
-
-  // The public key's algorithm was not ECDH.
-  static Status ErrorEcdhPublicKeyWrongAlgorithm();
-
-  // The public and private keys given to ECDH key derivation were not for the
-  // same named curve.
-  static Status ErrorEcdhCurveMismatch();
-
-  // The requested bit length for ECDH key derivation was too large.
-  static Status ErrorEcdhLengthTooBig(unsigned int max_length_bits);
-
-  // The requested length for HKDF was too large.
-  static Status ErrorHkdfLengthTooLong();
-
-  // No length parameter was provided for HKDF's Derive Bits operation.
-  static Status ErrorHkdfDeriveBitsLengthNotSpecified();
-
-  // The requested bit length for PBKDF2 key derivation was invalid.
-  static Status ErrorPbkdf2InvalidLength();
-
-  // No length parameter was provided for PBKDF2's Derive Bits operation.
-  static Status ErrorPbkdf2DeriveBitsLengthNotSpecified();
-
- private:
-  enum Type { TYPE_ERROR, TYPE_SUCCESS };
-
-  // Constructs an error with the specified error type and message.
-  Status(blink::WebCryptoErrorType error_type,
-         const std::string& error_details_utf8);
-
-  // Constructs a success or error without any details.
-  explicit Status(Type type);
-
-  Type type_;
-  blink::WebCryptoErrorType error_type_;
-  std::string error_details_;
-};
-
-}  // namespace webcrypto
-
-}  // namespace content
-
-#endif  // CONTENT_CHILD_WEBCRYPTO_STATUS_H_