optimize-ico-files: Move the logic for this script into a module.

optimize-ico-files: Move the logic for this script into a module.

This creates the Python module icon_tools.py. This is so that we can
call the module from a PRESUBMIT script in the future.

BUG=534679
Committed: https://crrev.com/0e97ba4a3a44642d1eb8c37e00fc1e35bad3045d
Cr-Commit-Position: refs/heads/master@{#353621}

[Matt Giuca, 2015-10-12 02:39:37]

Patchset #2 (id:20001) has been deleted

[Matt Giuca, 2015-10-12 02:40:55]

mgiuca@chromium.org changed reviewers:
+ oshima@chromium.org

[Matt Giuca, 2015-10-12 02:40:55]

Continuing work on the ico tools towards a PRESUBMIT script.

[oshima, 2015-10-12 20:27:38]

lgtm

[Matt Giuca, 2015-10-12 23:02:48]

The CQ bit was checked by mgiuca@chromium.org

[commit-bot: I haz the power, 2015-10-12 23:04:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1377713002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1377713002/1

[commit-bot: I haz the power, 2015-10-12 23:18:36]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-12 23:19:27]

Patchset 1 (id:??) landed as
https://crrev.com/0e97ba4a3a44642d1eb8c37e00fc1e35bad3045d
Cr-Commit-Position: refs/heads/master@{#353621}