Remove dead splice_timestamp() field from DecoderBuffer.

Remove dead splice_timestamp() field from DecoderBuffer.

This died in 8ae8c69e525729f91c22544659705689765ef58a when we replaced
splicing with trimming via discard padding.

BUG=588351, 577438
TEST=compile

Review-Url: https://codereview.chromium.org/2748923002
Cr-Commit-Position: refs/heads/master@{#456992}
Committed: https://chromium.googlesource.com/chromium/src/+/c4e4055ac82f567de79d7ed94060036dbecda2d5

[DaleCurtis, 2017-03-13 23:45:31]

dalecurtis@chromium.org changed reviewers:
+ chcunningham@chromium.org, dcheng@chromium.org, miu@chromium.org

[DaleCurtis, 2017-03-13 23:45:31]

+miu for media/remoting proto changes (I think I did it right?)
+dcheng for mojom changes
+chcunningham for overall review.

[dcheng, 2017-03-13 23:48:01]

rs lgtm for deletions in mojom

[chcunningham, 2017-03-14 00:01:59]

lgtm.

[miu, 2017-03-14 23:18:58]

lgtm

[DaleCurtis, 2017-03-15 02:49:47]

The CQ bit was checked by dalecurtis@chromium.org

[commit-bot: I haz the power, 2017-03-15 02:50:19]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-03-15 04:26:47]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489546187735300, "parent_rev":
"569f345a2ee19b54dc008c3c2011cee9e7405d36", "commit_rev":
"c4e4055ac82f567de79d7ed94060036dbecda2d5"}

[commit-bot: I haz the power, 2017-03-15 04:27:31]

Description was changed from

==========
Remove dead splice_timestamp() field from DecoderBuffer.

This died in 8ae8c69e525729f91c22544659705689765ef58a when we replaced
splicing with trimming via discard padding.

BUG=588351, 577438
TEST=compile
==========

to

==========
Remove dead splice_timestamp() field from DecoderBuffer.

This died in 8ae8c69e525729f91c22544659705689765ef58a when we replaced
splicing with trimming via discard padding.

BUG=588351, 577438
TEST=compile

Review-Url: https://codereview.chromium.org/2748923002
Cr-Commit-Position: refs/heads/master@{#456992}
Committed:
https://chromium.googlesource.com/chromium/src/+/c4e4055ac82f567de79d7ed94060...
==========

[commit-bot: I haz the power, 2017-03-15 04:27:32]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/c4e4055ac82f567de79d7ed94060...