Part 7 of 8: Move blink images to their own grd/pak file.

Part 7 of 8: Move blink images to their own grd/pak file.

This moves the image IDRs used on the chrome side back from IDR2_ to the
IDR_ versions. (The next and final patch will remove the IDR2_s from
webkit.)

BUG=471609, 467176
Committed: https://crrev.com/9f7f233a6d875fc7cb99785ab40b51089e029016
Cr-Commit-Position: refs/heads/master@{#324401}

[Elliot Glaysher, 2015-04-08 18:28:52]

erg@chromium.org changed reviewers:
+ sky@chromium.org

[sky, 2015-04-08 19:25:50]

LGTM

[Elliot Glaysher, 2015-04-08 19:38:07]

The CQ bit was checked by erg@chromium.org

[commit-bot: I haz the power, 2015-04-08 19:39:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1073523004/1

[Elliot Glaysher, 2015-04-08 21:07:28]

The CQ bit was unchecked by erg@chromium.org

[Elliot Glaysher, 2015-04-08 21:14:26]

erg@chromium.org changed reviewers:
+ jam@chromium.org

[Elliot Glaysher, 2015-04-08 21:14:26]

+jam for content changes.

[jam, 2015-04-09 06:18:43]

lgtm

[jam, 2015-04-09 06:18:50]

The CQ bit was checked by jam@chromium.org

[jam, 2015-04-09 06:18:51]

The patchset sent to the CQ was uploaded after l-g-t-m from sky@chromium.org
Link to the patchset: https://codereview.chromium.org/1073523004/#ps20001
(title: "Forgot these two.")

[commit-bot: I haz the power, 2015-04-09 06:18:57]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1073523004/20001

[commit-bot: I haz the power, 2015-04-09 08:57:08]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-04-09 08:57:57]

Patchset 2 (id:??) landed as
https://crrev.com/9f7f233a6d875fc7cb99785ab40b51089e029016
Cr-Commit-Position: refs/heads/master@{#324401}