Add missing url/gurl.h include

Add missing url/gurl.h include

Functions declared in this file return GURL by value.

BUG=

Review-Url: https://codereview.chromium.org/2627883003
Cr-Commit-Position: refs/heads/master@{#443187}
Committed: https://chromium.googlesource.com/chromium/src/+/5a502c1929dcc9274c0a51af5b249259a59dd759

[Tomasz Moniuszko, 2017-01-11 10:23:39]

tmoniuszko@opera.com changed reviewers:
+ rockot@chromium.org

[Ken Rockot(use gerrit already), 2017-01-11 14:43:30]

lgtm

[Tomasz Moniuszko, 2017-01-12 07:55:45]

The CQ bit was checked by tmoniuszko@opera.com

[commit-bot: I haz the power, 2017-01-12 07:56:00]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-01-12 08:38:35]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484207745085520, "parent_rev":
"3ffa822d72d1e04391afca616e3a9e9180b19e44", "commit_rev":
"5a502c1929dcc9274c0a51af5b249259a59dd759"}

[commit-bot: I haz the power, 2017-01-12 08:39:03]

Description was changed from

==========
Add missing url/gurl.h include

Functions declared in this file return GURL by value.

BUG=
==========

to

==========
Add missing url/gurl.h include

Functions declared in this file return GURL by value.

BUG=

Review-Url: https://codereview.chromium.org/2627883003
Cr-Commit-Position: refs/heads/master@{#443187}
Committed:
https://chromium.googlesource.com/chromium/src/+/5a502c1929dcc9274c0a51af5b24...
==========

[commit-bot: I haz the power, 2017-01-12 08:39:04]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/5a502c1929dcc9274c0a51af5b24...