[M53] Bound total pixels in JBig2 images to avoid overflows later.

[M53] Bound total pixels in JBig2 images to avoid overflows later.

Also make these private to ensure they aren't modified so as to
violate the bounds checks applied at creation time.

BUG=633002
TBR=thestig@chromium.org

Review-Url: https://codereview.chromium.org/2202013002
(cherry picked from commit e21501d9427539828b5d547b9d20a752d06914aa)

Committed: https://pdfium.googlesource.com/pdfium/+/1018584aeb1d9f44a40b43b2a5ae1a557a3c442d

[Tom Sepez, 2016-08-15 21:23:23]

Description was changed from

==========
Bound total pixels in JBig2 images to avoid overflows later.

Also make these private to ensure they aren't modified so as to
violate the bounds checks applied at creation time.

BUG=633002

Review-Url: https://codereview.chromium.org/2202013002
(cherry picked from commit e21501d9427539828b5d547b9d20a752d06914aa)
==========

to

==========
[M53] Bound total pixels in JBig2 images to avoid overflows later.

Also make these private to ensure they aren't modified so as to
violate the bounds checks applied at creation time.

BUG=633002
TBR=thestig@chromium.org

Review-Url: https://codereview.chromium.org/2202013002
(cherry picked from commit e21501d9427539828b5d547b9d20a752d06914aa)
==========

[Tom Sepez, 2016-08-15 21:23:24]

tsepez@chromium.org changed reviewers:
+ thestig@chromium.org

[Tom Sepez, 2016-08-15 21:23:39]

Description was changed from

==========
[M53] Bound total pixels in JBig2 images to avoid overflows later.

Also make these private to ensure they aren't modified so as to
violate the bounds checks applied at creation time.

BUG=633002
TBR=thestig@chromium.org

Review-Url: https://codereview.chromium.org/2202013002
(cherry picked from commit e21501d9427539828b5d547b9d20a752d06914aa)
==========

to

==========
[M53] Bound total pixels in JBig2 images to avoid overflows later.

Also make these private to ensure they aren't modified so as to
violate the bounds checks applied at creation time.

BUG=633002
TBR=thestig@chromium.org

Review-Url: https://codereview.chromium.org/2202013002
(cherry picked from commit e21501d9427539828b5d547b9d20a752d06914aa)

Committed:
https://pdfium.googlesource.com/pdfium/+/1018584aeb1d9f44a40b43b2a5ae1a557a3c...
==========

[Tom Sepez, 2016-08-15 21:23:40]

Committed patchset #1 (id:1) manually as
1018584aeb1d9f44a40b43b2a5ae1a557a3c442d (presubmit successful).

[Lei Zhang, 2016-08-15 21:24:15]

lgtm