tree 5727ca0848adf959cc5458f08226f3888cdc27fb
parent dad0707d0e7ea3f612dd14a5e35b5af163cedf82
author Oliver Chang <ochang@chromium.org> 1480376775 -0800
committer Oliver Chang <ochang@chromium.org> 1480376775 -0800

M55: pdfium: Fix inconsistent number of color components of ICC profile

fx_codec_icc.cpp specify default number of color components as 3 for
unknown profiles. However, lcms may know such profile with different
number of components. The inconsistency may lead to array access
violation.

This CL uses cmsChannelsOf() from lcms to ensure consistency. And
rejects unexpected number according to PDF spec.

BUG=chromium:667694

Original-Review-Url: https://codereview.chromium.org/2522933002
(cherry picked from commit 89a2d92549d25df6786d53de5671eb141e1fd3e2)

TBR=thestig@chromium.org,tsepez@chromium.org

Review URL: https://codereview.chromium.org/2535663005 .