commit e4d2853f126b1ba2dcb4f693af611c0ccea3c4fe
author xlou <xlou@chromium.org> Tue Jul 31 22:03:34 2018
committer Commit Bot <commit-bot@chromium.org> Tue Jul 31 22:03:34 2018
tree 4bf36f6369e87d232cdcacb0779819dd05ec5a16
parent 25406959371e27414b86a5a8a233a15978e1b207

Print Preview: Set page index as pageIndex when pagesPerSheet > 1.

When sending URLs to the PDF plugin, the page index in the URL
needs to be the page index for the displayed PDF document.
When N-up > 1, this will not match the page index from the selected
pages in the UI, since the N-up page numbers will be recalculated
using the number of pages selected and pagesPerSheet Value.  The
new number of pages will be ceil(#pages selected/pagesPerSheet),
and the index of the N-up pages will start from 0.  Hence changing
the function onPagePreviewReady_ to use the N-upped document index
when pagesPerSheet > 1.

In printing, 2-up, 3-up, or more generally N-up refers to a page
layout strategy in which multiple pages are composited onto a
single page.

Bug: 775999
Change-Id: I1488431713815b573eb2798e23b011417b9fa46d
Reviewed-on: https://chromium-review.googlesource.com/1155906
Commit-Queue: Shirleen Lou <xlou@chromium.org>
Reviewed-by: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#579588}