Make the minimum progress bar state a rounded dot.

Make the minimum progress bar state a rounded dot.

This patch sets the minimum width of the progress bar's bar equal to it's height to make it look like a dot in the early stage.

TBR=yoshiki@chromium.org
TEST=Copy a file in Files.app. Observer the butter bar.
BUG=239301
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=202524

[mtomasz, 2013-05-28 08:05:38]

@hirono: PTAL at this trivial patch. Thanks.

[hirono, 2013-05-28 08:11:43]

On 2013/05/28 08:05:38, mtomasz wrote:
> @hirono: PTAL at this trivial patch. Thanks.

lgtm!

[commit-bot: I haz the power, 2013-05-28 08:20:28]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer or
a lowly provisional committer, _not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[commit-bot: I haz the power, 2013-05-28 08:21:49]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/mtomasz@chromium.org/15706010/1

[commit-bot: I haz the power, 2013-05-28 10:44:12]

Change committed as 202524