Media: Nicer MSE append logging

Media: Nicer MSE append logging

Make MSE append logging a little nicer by not repeating
redundant information if the video stream doesn't contain
B-frames and presentation timestamps match decode
timestamps.

BUG=none

Committed: https://crrev.com/27ee45cba92dd4c6297233e341580d8d6e1c5cd9
Cr-Commit-Position: refs/heads/master@{#341200}

[servolk, 2015-07-30 01:09:02]

servolk@chromium.org changed reviewers:
+ wolenetz@chromium.org

[wolenetz, 2015-07-30 18:55:15]

lgtm % nit

https://codereview.chromium.org/1261423002/diff/1/media/filters/source_buffer...
File media/filters/source_buffer_stream.cc (right):

https://codereview.chromium.org/1261423002/diff/1/media/filters/source_buffer...
media/filters/source_buffer_stream.cc:222: static std::string
BufferQueueToLogString(
nit: s/static/...move to anonymous namespace at the top of this file.../

[servolk, 2015-07-30 19:46:16]

https://codereview.chromium.org/1261423002/diff/1/media/filters/source_buffer...
File media/filters/source_buffer_stream.cc (right):

https://codereview.chromium.org/1261423002/diff/1/media/filters/source_buffer...
media/filters/source_buffer_stream.cc:222: static std::string
BufferQueueToLogString(
On 2015/07/30 18:55:15, wolenetz wrote:
> nit: s/static/...move to anonymous namespace at the top of this file.../

Done.

[servolk, 2015-07-30 19:46:19]

The CQ bit was checked by servolk@chromium.org

[servolk, 2015-07-30 19:46:20]

The patchset sent to the CQ was uploaded after l-g-t-m from
wolenetz@chromium.org
Link to the patchset: https://codereview.chromium.org/1261423002/#ps20001
(title: "Moved BufferQueueToLogString to anonymous namespace")

[commit-bot: I haz the power, 2015-07-30 19:47:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1261423002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1261423002/20001

[commit-bot: I haz the power, 2015-07-30 21:47:25]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-07-30 21:48:05]

Patchset 2 (id:??) landed as
https://crrev.com/27ee45cba92dd4c6297233e341580d8d6e1c5cd9
Cr-Commit-Position: refs/heads/master@{#341200}