Constify SchemeHostPort and Origin accessors.

Constify SchemeHostPort and Origin accessors.

BUG=490074
R=rsleevi@chromium.org,brettw@chromium.org

Committed: https://crrev.com/f5fef0669c7e478a88d9d11239454bdff751c7e1
Cr-Commit-Position: refs/heads/master@{#339846}

[Mike West, 2015-07-19 14:25:07]

WDYT?

[brettw, 2015-07-20 18:00:02]

lgtm

[Ryan Sleevi, 2015-07-20 21:09:26]

The CQ bit was checked by rsleevi@chromium.org

[Ryan Sleevi, 2015-07-20 21:09:26]

lgtm

[Ryan Sleevi, 2015-07-20 21:09:30]

The CQ bit was unchecked by rsleevi@chromium.org

[Mike West, 2015-07-21 04:22:25]

On 2015/07/20 at 21:09:30, rsleevi wrote:
> The CQ bit was unchecked by rsleevi@chromium.org

url::Origin needs to land before we can land this. :)

[Mike West, 2015-07-22 06:03:53]

The CQ bit was checked by mkwst@chromium.org

[commit-bot: I haz the power, 2015-07-22 06:04:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1229003007/1

[commit-bot: I haz the power, 2015-07-22 06:05:24]

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

[commit-bot: I haz the power, 2015-07-22 06:05:24]

Try jobs failed on following builders:
  ios_dbg_simulator_ninja on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)
  ios_rel_device_ninja on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device_ni...)

[Mike West, 2015-07-22 07:04:49]

The CQ bit was checked by mkwst@chromium.org

[Mike West, 2015-07-22 07:04:50]

The patchset sent to the CQ was uploaded after l-g-t-m from brettw@chromium.org,
rsleevi@chromium.org
Link to the patchset: https://codereview.chromium.org/1229003007/#ps20001
(title: "Rebase.")

[commit-bot: I haz the power, 2015-07-22 07:05:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1229003007/20001

[commit-bot: I haz the power, 2015-07-22 08:29:10]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-07-22 08:30:04]

Patchset 2 (id:??) landed as
https://crrev.com/f5fef0669c7e478a88d9d11239454bdff751c7e1
Cr-Commit-Position: refs/heads/master@{#339846}