Created attachment 186676 [details]
Try the attached test case: It has an input with left padding (padding-right exhibits the same issue, but padding-left makes it look even worse) set by style .leftpad and a button that toggles .leftpad on the input.
Toggling the style results in the text moving, but not updating its clip properly. You can edit the input to force it to update its text's clip (interesting, too, that it doesn't self-correct on focus).
The test case appears fine to me on:
Google Chrome 26.0.1397.2 (Official Build 179372) dev
WebKit 537.28 (@140956)
(In reply to comment #1)
> The test case appears fine to me on:
> Google Chrome 26.0.1397.2 (Official Build 179372) dev
> OS Linux
> WebKit 537.28 (@140956)
Broken on 24.0.1312.57 (WebKit 537.17) (Windows). That narrows it down...
I'm going to resolve this - it is not reproducible on trunk WebKit. Please re-open if I'm wrong on that point.
Yes, sounds right.