GitLab

As requested by this comment:
https://chromium-review.googlesource.com/c/chromium/src/+/1970742/7/printing/common/metafile_utils.cc#125

A change to Skia (https://skia-review.googlesource.com/c/skia/+/271816)
now lets us use a std::vector for children of a StructureElementNode,
rather than a raw array. Now we no longer need custom code to recursively
destroy the tree after we write a PDF.

Bug: 607777
Change-Id: Iaffa00e4a27d27866cfa57e8f9da51fbdb8f2939
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2077277Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Dominic Mazzoni <dmazzoni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#745296}