Deleted redundant SymmetricKey::GetRawKey().

chrome/browser/signin/local_auth.cc

 // Copyright 2013 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 "chrome/browser/signin/local_auth.h"
 
 #include <memory>
 
 #include "base/base64.h"
 #include "base/files/file_path.h"
@@ skipping 90 matching lines @@
                                      const std::string& password,
                                      const HashEncoding& encoding) {
   DCHECK_EQ(encoding.hash_bytes, salt.length());
   base::Time start_time = base::Time::Now();
 
   // Library call to create secure password hash as SymmetricKey (uses PBKDF2).
   std::unique_ptr<crypto::SymmetricKey> password_key(
       crypto::SymmetricKey::DeriveKeyFromPassword(
           crypto::SymmetricKey::AES, password, salt, encoding.iteration_count,
           encoding.hash_bits));
-  std::string password_hash;
-  const bool success = password_key->GetRawKey(&password_hash);
-  DCHECK(success);
+  std::string password_hash = password_key->key();
   DCHECK_EQ(encoding.hash_bytes, password_hash.length());
 
   UMA_HISTOGRAM_TIMES("PasswordHash.CreateTime",
                       base::Time::Now() - start_time);
 
   if (encoding.stored_bits) {
     password_hash = TruncateStringByBits(password_hash, encoding.stored_bits);
     DCHECK_EQ(encoding.stored_bytes, password_hash.length());
   }
   DCHECK_EQ(encoding.stored_bytes ? encoding.stored_bytes : encoding.hash_bytes,
@@ skipping 142 matching lines @@
   ProfileAttributesEntry* entry;
 
   if (!g_browser_process->profile_manager()->GetProfileAttributesStorage().
           GetProfileAttributesWithPath(profile->GetPath(), &entry)) {
     NOTREACHED();
     return false;
   }
 
   return ValidateLocalAuthCredentials(entry, password);
 }