Optimize png files in chrome/browser, chrome/renderer

Optimize png files in chrome/browser, chrome/renderer

Optimized 53/55 files in 00:40:39s
Result: 142384 => 91688 bytes (50696 bytes: 35%)

BUG=418208
TBR=msw@chromium.org
NOTRY=true

Committed: https://crrev.com/6fbd469809db91aa2193b53530de970ca5bf751f
Cr-Commit-Position: refs/heads/master@{#297050}

[oshima, 2014-09-26 21:58:38]

Patchset #2 (id:20001) has been deleted

[oshima, 2014-09-26 22:03:03]

Patchset #1 (id:1) has been deleted

[oshima, 2014-09-26 22:03:19]

The CQ bit was checked by oshima@chromium.org

[commit-bot: I haz the power, 2014-09-26 22:05:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/612543002/40001

[commit-bot: I haz the power, 2014-09-26 22:07:54]

Committed patchset #1 (id:40001) as d9739b20e472ce8acf07e3bb33279fcf6b7ecf5b

[commit-bot: I haz the power, 2014-09-26 22:08:33]

Patchset 1 (id:??) landed as
https://crrev.com/6fbd469809db91aa2193b53530de970ca5bf751f
Cr-Commit-Position: refs/heads/master@{#297050}

[msw, 2014-09-26 22:19:52]

Wow there are some weird assets in there... Still, nice compression; lgtm.