Fix flash of icon border when network error interstitial is loaded

Fix flash of icon border when network error page is loaded

Switching the icon to be a div instead of an image tag. An image tag with no src or empty CSS content property shows a border which can't be overridden by CSS.

BUG=522408
Committed: https://crrev.com/51500bb57c4b7e26e48d87768da935bc432f6870
Cr-Commit-Position: refs/heads/master@{#351302}

[edwardjung, 2015-09-28 18:47:55]

edwardjung@chromium.org changed reviewers:
+ jochen@chromium.org

[edwardjung, 2015-09-28 18:47:55]

Please take a look at this small fix to the network error interstitial.

Thanks.

[jochen (gone - plz use gerrit), 2015-09-29 07:33:31]

lgtm

[edwardjung, 2015-09-29 09:36:00]

The CQ bit was checked by edwardjung@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-09-29 09:36:31]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1371213002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1371213002/1

[commit-bot: I haz the power, 2015-09-29 09:50:54]

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

[commit-bot: I haz the power, 2015-09-29 09:50:54]

Dry run: Try jobs failed on following builders:
  android_clang_dbg_recipe on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/android_clang_d...)

[edwardjung, 2015-09-29 12:33:57]

The CQ bit was checked by edwardjung@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-09-29 12:34:15]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1371213002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1371213002/1

[commit-bot: I haz the power, 2015-09-29 12:40:01]

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

[commit-bot: I haz the power, 2015-09-29 12:40:02]

Dry run: This issue passed the CQ dry run.

[edwardjung, 2015-09-29 13:06:38]

The CQ bit was checked by edwardjung@chromium.org

[commit-bot: I haz the power, 2015-09-29 13:07:23]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1371213002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1371213002/1

[commit-bot: I haz the power, 2015-09-29 13:13:35]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-09-29 13:14:31]

Patchset 1 (id:??) landed as
https://crrev.com/51500bb57c4b7e26e48d87768da935bc432f6870
Cr-Commit-Position: refs/heads/master@{#351302}

[edwardjung, 2015-10-01 16:27:07]

On 2015/09/29 13:14:31, commit-bot: I haz the power wrote:
> Patchset 1 (id:??) landed as
> https://crrev.com/51500bb57c4b7e26e48d87768da935bc432f6870
> Cr-Commit-Position: refs/heads/master@{#351302}

Jochen, would it be possible for you to help me do a cherry pick merge of this
CL to M46 branch (2490)
Commit id: 51500bb57c4b7e26e48d87768da935bc432f6870

I need someone with commit access. Thanks.