Mac: Don't perform unnecessary star decoration redraws.

Mac: Don't perform unnecessary star decoration redraws.

If the star in the Location Bar is already in the correct state, then there's
no need to perform a complete redraw.

This was responsible for ~50% of extraneous location bar redraws, which was
consuming ~5% of cpu cycles on start up.

BUG=393819
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=287902

[erikchen, 2014-08-06 21:20:35]

shess: Please review.

[Scott Hess - ex-Googler, 2014-08-06 21:24:55]

lgtm

[commit-bot: I haz the power, 2014-08-06 21:25:51]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/erikchen@chromium.org/442343006/1

[Scott Hess - ex-Googler, 2014-08-06 21:30:55]

Err, sorry if lgtm+cg was forward of me.  I was on autopilot...


On Wed, Aug 6, 2014 at 2:25 PM, <commit-bot@chromium.org> wrote:

> CQ is trying da patch. Follow status at
>  https://chromium-status.appspot.com/cq/erikchen@chromium.org/442343006/1
>
>
> https://codereview.chromium.org/442343006/
>

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[erikchen, 2014-08-06 21:32:24]

It was unexpected, but it also saved me a mouse click. :D

[commit-bot: I haz the power, 2014-08-06 23:48:27]

Change committed as 287902