File VideoCaptureDevice: Add API type for Windows platforms.

File VideoCaptureDevice: Add API type for Windows platforms.

It was missing and causes troubles in browser_tests as seen
in the bug.

BUG=422954
Committed: https://crrev.com/c22f23aee4cb56aaf20061293853db7da4b7646d
Cr-Commit-Position: refs/heads/master@{#299451}

[mcasas, 2014-10-13 14:43:32]

mcasas@chromium.org changed reviewers:
+ perkj@chromium.org

[mcasas, 2014-10-13 14:43:33]

perkj@ PTAL
xians@ FYI.

[no longer working on chromium, 2014-10-14 08:25:44]

lgtm

[no longer working on chromium, 2014-10-14 08:25:47]

The CQ bit was checked by xians@chromium.org

[commit-bot: I haz the power, 2014-10-14 08:26:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/650903002/1

[commit-bot: I haz the power, 2014-10-14 08:31:31]

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

[commit-bot: I haz the power, 2014-10-14 08:31:37]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[perkj_chrome, 2014-10-14 09:15:50]

The CQ bit was checked by perkj@chromium.org

[perkj_chrome, 2014-10-14 09:15:50]

lgtm

[commit-bot: I haz the power, 2014-10-14 09:16:52]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/650903002/1

[commit-bot: I haz the power, 2014-10-14 09:43:03]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-14 09:43:49]

Patchset 1 (id:??) landed as
https://crrev.com/c22f23aee4cb56aaf20061293853db7da4b7646d
Cr-Commit-Position: refs/heads/master@{#299451}