NetEq: Ask AudioDecoder for sample rate instead of passing it as an argument

webrtc/modules/audio_coding/neteq/decoder_database_unittest.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 123 matching lines @@
 }
 
 TEST(DecoderDatabase, ExternalDecoder) {
   DecoderDatabase db(new rtc::RefCountedObject<MockAudioDecoderFactory>);
   const uint8_t kPayloadType = 0;
   const std::string kCodecName = "Robert\'); DROP TABLE Students;";
   MockAudioDecoder decoder;
   // Load into database.
   EXPECT_EQ(DecoderDatabase::kOK,
             db.InsertExternal(kPayloadType, NetEqDecoder::kDecoderPCMu,
-                              kCodecName, 8000, &decoder));
+                              kCodecName, &decoder));
   EXPECT_EQ(1, db.Size());
   // Get decoder and make sure we get the external one.
   EXPECT_EQ(&decoder, db.GetDecoder(kPayloadType));
   // Get the decoder info struct and check it too.
   const DecoderDatabase::DecoderInfo* info;
   info = db.GetDecoderInfo(kPayloadType);
   ASSERT_TRUE(info != NULL);
   EXPECT_EQ(NetEqDecoder::kDecoderPCMu, info->codec_type);
   EXPECT_EQ(kCodecName, info->name);
   // Expect not to delete the decoder when removing it from the database, since
@@ skipping 94 matching lines @@
   EXPECT_EQ(DecoderDatabase::kOK, db.Remove(13));
   EXPECT_EQ(NULL, db.GetActiveCngDecoder());
 
   // Try to set non-existing codecs as active.
   EXPECT_EQ(DecoderDatabase::kDecoderNotFound,
             db.SetActiveDecoder(17, &changed));
   EXPECT_EQ(DecoderDatabase::kDecoderNotFound,
             db.SetActiveCngDecoder(17));
 }
 }  // namespace webrtc