Remove dead splice_timestamp() field from DecoderBuffer.

media/mojo/common/mojo_decoder_buffer_converter_unittest.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 "media/mojo/common/mojo_decoder_buffer_converter.h"
 
 #include <stdint.h>
 
 #include <memory>
 
@@ skipping 56 matching lines @@
   const uint8_t kData[] = "hello, world";
   const uint8_t kSideData[] = "sideshow bob";
   const size_t kDataSize = arraysize(kData);
   const size_t kSideDataSize = arraysize(kSideData);
 
   scoped_refptr<DecoderBuffer> buffer(DecoderBuffer::CopyFrom(
       reinterpret_cast<const uint8_t*>(&kData), kDataSize,
       reinterpret_cast<const uint8_t*>(&kSideData), kSideDataSize));
   buffer->set_timestamp(base::TimeDelta::FromMilliseconds(123));
   buffer->set_duration(base::TimeDelta::FromMilliseconds(456));
-  buffer->set_splice_timestamp(base::TimeDelta::FromMilliseconds(200));
   buffer->set_discard_padding(
       DecoderBuffer::DiscardPadding(base::TimeDelta::FromMilliseconds(5),
                                     base::TimeDelta::FromMilliseconds(6)));
 
   MojoDecoderBufferConverter converter;
   converter.ConvertAndVerify(buffer);
 }
 
 TEST(MojoDecoderBufferConverterTest, ConvertDecoderBuffer_EOS) {
   base::MessageLoop message_loop;
@@ skipping 109 matching lines @@
       converter.writer->WriteDecoderBuffer(media_buffer);
   converter.reader->ReadDecoderBuffer(std::move(mojo_buffer), mock_cb.Get());
 
   // Before the entire data is transmitted, close the handle on writer side.
   // The reader side will get notified and report the error.
   converter.writer.reset();
   run_loop.Run();
 }
 
 }  // namespace media