Remove unused event in ivideo_capture_input.cc.

Remove unused event in video_capture_input.cc.

Committed: https://crrev.com/df1a171def37eedad848cb0c387b1af6727d8676
Cr-Commit-Position: refs/heads/master@{#9921}

[mflodman, 2015-09-10 10:30:52]

mflodman@webrtc.org changed reviewers:
+ pbos@webrtc.org

[pbos-webrtc, 2015-09-10 10:32:44]

lgtm, ship it

[mflodman, 2015-09-10 11:38:54]

The CQ bit was checked by mflodman@webrtc.org

[commit-bot: I haz the power, 2015-09-10 11:38:59]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1331833003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1331833003/1

[mflodman, 2015-09-10 11:39:23]

On 2015/09/10 10:32:44, pbos-webrtc wrote:
> lgtm, ship it

Pressing the button for this super advanced code change, fingers crossed!

[commit-bot: I haz the power, 2015-09-10 13:39:08]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-09-10 13:39:09]

Try jobs failed on following builders:
  android on tryserver.webrtc (JOB_TIMED_OUT, no build URL)
  android_arm64_rel on tryserver.webrtc (JOB_TIMED_OUT, no build URL)
  android_rel on tryserver.webrtc (JOB_TIMED_OUT, no build URL)

[mflodman, 2015-09-11 05:49:46]

The CQ bit was checked by mflodman@webrtc.org

[commit-bot: I haz the power, 2015-09-11 05:49:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1331833003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1331833003/1

[commit-bot: I haz the power, 2015-09-11 05:50:50]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-09-11 05:50:52]

Patchset 1 (id:??) landed as
https://crrev.com/df1a171def37eedad848cb0c387b1af6727d8676
Cr-Commit-Position: refs/heads/master@{#9921}