Remove dead splice_timestamp() field from DecoderBuffer.

media/mojo/interfaces/media_types.mojom

 // 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.
 
 module media.mojom;
 
 import "gpu/ipc/common/mailbox_holder.mojom";
 import "mojo/common/time.mojom";
 import "ui/gfx/geometry/mojo/geometry.mojom";
 
@@ skipping 108 matching lines @@
 
   // Empty when |side_data| doesn't exist.
   array<uint8> side_data;
 
   // DecryptConfig for a encrypted buffer. NULL if the buffer is not encrypted.
   DecryptConfig? decrypt_config;
 
   // These fields indicate the amount of data to discard after decoding.
   mojo.common.mojom.TimeDelta front_discard;
   mojo.common.mojom.TimeDelta back_discard;
-
-  // Indicates this buffer is part of a splice around |splice_timestamp|.
-  mojo.common.mojom.TimeDelta splice_timestamp;
 };
 
 // This defines a mojo transport format for media::AudioBuffer.
 struct AudioBuffer {
   // Format of the audio.
   SampleFormat sample_format;
 
   // How the channels are laid out.
   ChannelLayout channel_layout;
 
@@ skipping 68 matching lines @@
 };
 
 struct PipelineStatistics {
   uint64 audio_bytes_decoded;
   uint64 video_bytes_decoded;
   uint32 video_frames_decoded;
   uint32 video_frames_dropped;
   int64 audio_memory_usage;
   int64 video_memory_usage;
 };