pdfviewer: load files with missing xref (we need in order to help with testing, as most good pdfx in the whild miss the xref). add period as a valid character to start a real value.

Review URL: https://codereview.chromium.org/21096006

git-svn-id: http://skia.googlecode.com/svn/trunk@10423 2bbb7eff-a529-9590-31e7-b0007b416f81
7 files changed