Blink Blobs: Allow creation of WebBlob from just UUID.

Blink Blobs: Allow creation of WebBlob from just UUID.

This is to support Blobs created from the browser process. This is in support of patch https://codereview.chromium.org/250143002/. See the delta from Patchset 5 to Patchset 6.

BUG=304290
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=173211

[tommycli, 2014-05-01 22:35:30]

abarth: I am working on constructing a Blob on the browser side and passing it
to the renderer.

Since the Blob is reconstructed in chrome/ code rather than in WebKit, I think I
will need this new function.

See https://codereview.chromium.org/250143002/ for the chrome/ CL.

[abarth-chromium, 2014-05-01 22:52:16]

Seems plausible to me, bug michaeln should probably take a look.

[michaeln1, 2014-05-01 22:54:39]

lgtm

[tommycli, 2014-05-01 23:00:02]

The CQ bit was checked by tommycli@chromium.org

[commit-bot: I haz the power, 2014-05-01 23:00:24]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/tommycli@chromium.org/259423002/1

[commit-bot: I haz the power, 2014-05-01 23:30:47]

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

[commit-bot: I haz the power, 2014-05-01 23:30:47]

Try jobs failed on following builders:
  blink_presubmit on tryserver.blink

[abarth-chromium, 2014-05-02 17:05:28]

lgtm

[tommycli, 2014-05-02 18:08:36]

The CQ bit was unchecked by tommycli@chromium.org

[tommycli, 2014-05-02 18:08:36]

The CQ bit was checked by tommycli@chromium.org

[commit-bot: I haz the power, 2014-05-02 18:08:55]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/tommycli@chromium.org/259423002/1

[commit-bot: I haz the power, 2014-05-02 18:44:20]

Change committed as 173211