Roll PDFium to 2a824f1

Roll PDFium to 2a824f1

2a824f1 Fix potentially massive memory leak in CPDF_DIBSource::LoadJpxBitmap().
b7eb193 Cleanup: Make CPDF_Annot::m_pAnnotDict private.
9b440b4 Add move constructor for FX string types.
211f90e Standalone checkout gets buildtools.
9e4cd8b Fix bad include path in fpdfview.cpp
738ca22 Move fx_safe_types.h to include/ directory.
80b597d Kill unused IPDF_ classes.

BUG=497191
Committed: https://crrev.com/ef75c73bc8962f7cf6c621b9a8cd57de581ad348
Cr-Commit-Position: refs/heads/master@{#333395}

[Lei Zhang, 2015-06-08 22:00:50]

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

[Tom Sepez, 2015-06-08 22:13:03]

On 2015/06/08 22:00:50, Lei Zhang wrote:

RS LGTM.

[Lei Zhang, 2015-06-08 22:28:01]

The CQ bit was checked by thestig@chromium.org

[commit-bot: I haz the power, 2015-06-08 22:28:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1170853002/1

[commit-bot: I haz the power, 2015-06-09 00:11:38]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-09 00:12:28]

Patchset 1 (id:??) landed as
https://crrev.com/ef75c73bc8962f7cf6c621b9a8cd57de581ad348
Cr-Commit-Position: refs/heads/master@{#333395}