Removed unused NeedKey callback from Decryptors.

media/crypto/aes_decryptor_unittest.cc

 // Copyright (c) 2012 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 <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "media/base/decoder_buffer.h"
@@ skipping 212 matching lines @@
           subsample_entries)));
   return encrypted_buffer;
 }
 
 class AesDecryptorTest : public testing::Test {
  public:
   AesDecryptorTest()
       : decryptor_(
             base::Bind(&AesDecryptorTest::KeyAdded, base::Unretained(this)),
             base::Bind(&AesDecryptorTest::KeyError, base::Unretained(this)),
-            base::Bind(&AesDecryptorTest::KeyMessage, base::Unretained(this)),
-            NeedKeyCB()),
+            base::Bind(&AesDecryptorTest::KeyMessage, base::Unretained(this))),
         decrypt_cb_(base::Bind(&AesDecryptorTest::BufferDecrypted,
                                base::Unretained(this))),
         subsample_entries_(kSubsampleEntries,
                            kSubsampleEntries + arraysize(kSubsampleEntries)) {
   }
 
  protected:
   void GenerateKeyRequest(const uint8* key_id, int key_id_size) {
     std::string key_id_string(reinterpret_cast<const char*>(key_id),
                               key_id_size);
@@ skipping 350 matching lines @@
   scoped_refptr<DecoderBuffer> encrypted_data = CreateSubsampleEncryptedBuffer(
       kSubsampleData, arraysize(kSubsampleData),
       kSubsampleKeyId, arraysize(kSubsampleKeyId),
       kSubsampleIv, arraysize(kSubsampleIv),
       0,
       entries);
   ASSERT_NO_FATAL_FAILURE(DecryptAndExpectToFail(encrypted_data));
 }
 
 }  // namespace media