w3c deps roll for layout tests: import IndexedDB, mediacapture-streams

w3c deps roll for layout tests: import IndexedDB, mediacapture-streams

This is patch 1 of 4.

TBR=phoglund@chromium.org, jsbell@chromium.org, cmumford@chromium.org
BUG=404303, 404305
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=180416

[jsbell, 2014-08-16 00:12:28]

lgtm

[Dirk Pranke, 2014-08-16 21:25:30]

The CQ bit was checked by dpranke@chromium.org

[commit-bot: I haz the power, 2014-08-16 21:26:17]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/dpranke@chromium.org/478863002/1

[commit-bot: I haz the power, 2014-08-16 22:26:02]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  win_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/win_blink_rel/builds/23071)
  linux_gpu_triggered_tests on tryserver.chromium.gpu
(http://build.chromium.org/p/tryserver.chromium.gpu/builders/linux_gpu_trigger...)

[commit-bot: I haz the power, 2014-08-16 23:28:40]

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

[commit-bot: I haz the power, 2014-08-16 23:28:41]

Try jobs failed on following builders:
  win_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/win_blink_rel/builds/23074)

[Dirk Pranke, 2014-08-17 02:53:44]

The CQ bit was checked by dpranke@chromium.org

[commit-bot: I haz the power, 2014-08-17 02:53:58]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/dpranke@chromium.org/478863002/1

[commit-bot: I haz the power, 2014-08-17 03:24:45]

Committed patchset #1 (1) as 180416