Cast: Make pacing controllable by the extension

Cast: Make pacing controllable by the extension

Use are brand-spanking-new options dictionary to be able to configure
the target and max burst size for the pacer. This should allow us to do
some basic experiments to determine if pacing is really helpful and what
the optimal batch size actually is.

Committed: https://crrev.com/1f663f57f1a2d04efcce4e4ee7f71711050d8824
Cr-Commit-Position: refs/heads/master@{#294657}

[hubbe, 2014-09-11 23:42:43]

hubbe@chromium.org changed reviewers:
+ hclam@chromium.org

[Alpha Left Google, 2014-09-12 06:26:14]

https://codereview.chromium.org/567853002/diff/1/media/cast/net/cast_transpor...
File media/cast/net/cast_transport_sender_impl.cc (right):

https://codereview.chromium.org/567853002/diff/1/media/cast/net/cast_transpor...
media/cast/net/cast_transport_sender_impl.cc:75:
pacer_(LookupOptionWithDefault(*options.get(),
Please document in the header the list of options that can be set via |options|.

[hubbe, 2014-09-12 17:18:15]

https://codereview.chromium.org/567853002/diff/1/media/cast/net/cast_transpor...
File media/cast/net/cast_transport_sender_impl.cc (right):

https://codereview.chromium.org/567853002/diff/1/media/cast/net/cast_transpor...
media/cast/net/cast_transport_sender_impl.cc:75:
pacer_(LookupOptionWithDefault(*options.get(),
On 2014/09/12 06:26:14, Alpha wrote:
> Please document in the header the list of options that can be set via
|options|.

Done.

[Alpha Left Google, 2014-09-12 17:24:47]

LGTM.

[hubbe, 2014-09-12 19:55:12]

The CQ bit was checked by hubbe@chromium.org

[commit-bot: I haz the power, 2014-09-12 19:59:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patchset/567853002/40001

[commit-bot: I haz the power, 2014-09-12 21:12:03]

Committed patchset #3 (id:40001) as 4969d3ee5739548d119f8c7e7a9197a6b98ddf87

[commit-bot: I haz the power, 2014-09-12 21:15:20]

Patchset 3 (id:??) landed as
https://crrev.com/1f663f57f1a2d04efcce4e4ee7f71711050d8824
Cr-Commit-Position: refs/heads/master@{#294657}