Allow PBKDF2 key derivation using an empty password.

content/child/webcrypto/status.h

 // 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"
@@ skipping 250 matching lines @@
 
   // 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();
 
-  // An empty password was provided for PBKDF2
-  static Status ErrorPbkdf2EmptyPassword();
-
  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_