tree f3f38d98ecfd5f690d434daee7d72e86665bf47c
parent 36c290c6ce46ad7910dc91153bab5eda3b1f6ab1
author Lei Zhang <thestig@chromium.org> 1579304462 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1579304462 +0000

Fix some nits in cpdf_dib.h.

- Remove an unused forward declare.
- Replace a #define.
- Mention the CPDF_DIB's RetainPtr<CPDF_DIB> member must not create a
  cycle.

Change-Id: I67c993c8c5ab29cbed6a6b28d28658654b73a93b
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/65092
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>