Cleanup: Use default constructor for WebCryptoKey rather than createNull() factory method.

Cleanup: Use default constructor for WebCryptoKey rather than createNull() factory method.

BUG=425251
Committed: https://crrev.com/7b9591ab655583d45dd2483e70dc2ea0baee7b56
Cr-Commit-Position: refs/heads/master@{#300507}

[eroman, 2014-10-20 20:13:39]

eroman@chromium.org changed reviewers:
+ rsleevi@chromium.org

[Ryan Sleevi, 2014-10-20 22:44:19]

The CQ bit was checked by rsleevi@chromium.org

[Ryan Sleevi, 2014-10-20 22:44:20]

lgtm

[commit-bot: I haz the power, 2014-10-20 22:47:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/670433005/1

[commit-bot: I haz the power, 2014-10-20 23:06:42]

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

[commit-bot: I haz the power, 2014-10-20 23:06:45]

Try jobs failed on following builders:
  android_arm64_dbg_recipe on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_arm64_d...)
  linux_chromium_gn_dbg on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_gn_rel on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[eroman, 2014-10-20 23:17:58]

(Needs to wait until Blink rolls)

[eroman, 2014-10-21 16:23:44]

The CQ bit was checked by eroman@chromium.org

[commit-bot: I haz the power, 2014-10-21 16:25:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/670433005/1

[commit-bot: I haz the power, 2014-10-21 17:13:14]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-21 17:14:45]

Patchset 1 (id:??) landed as
https://crrev.com/7b9591ab655583d45dd2483e70dc2ea0baee7b56
Cr-Commit-Position: refs/heads/master@{#300507}