Deleted redundant SymmetricKey::GetRawKey().

chromecast/media/base/decrypt_context_impl_clearkey.cc

 // 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.
 
 #include "chromecast/media/base/decrypt_context_impl_clearkey.h"
 
 #include <string.h>
 
 #include <memory>
 #include <string>
@@ skipping 33 matching lines @@
     return true;
 
   const CastDecryptConfig* decrypt_config = buffer->decrypt_config();
   if (!decrypt_config || decrypt_config->iv().size() == 0)
     return false;
 
   // Apply the |data_offset|, if requested.
   output += data_offset;
 
   // Get the key.
-  std::string raw_key;
-  if (!key_->GetRawKey(&raw_key)) {
-    LOG(ERROR) << "Failed to get the underlying AES key";
-    return false;
-  }
+  const std::string& raw_key = key_->key();
   DCHECK_EQ(static_cast<int>(raw_key.length()), AES_BLOCK_SIZE);
   const uint8_t* key_u8 = reinterpret_cast<const uint8_t*>(raw_key.data());
   AES_KEY aes_key;
   if (AES_set_encrypt_key(key_u8, AES_BLOCK_SIZE * 8, &aes_key) != 0) {
     LOG(ERROR) << "Failed to set the AES key";
     return false;
   }
 
   // Get the IV.
   uint8_t aes_iv[AES_BLOCK_SIZE];
@@ skipping 18 matching lines @@
   }
   return true;
 }
 
 bool DecryptContextImplClearKey::CanDecryptToBuffer() const {
   return true;
 }
 
 }  // namespace media
 }  // namespace chromecast