GitLab

OnDidPrintFrameContent() by the sub frame should be handled after
the compositor for the main frame is created but it could handled
before the main frame. This CL queues the sub frame if the
compositor is not created and handles the queue after the
compositor is created.

Bug:1152971

Change-Id: I841247bcc6a1dcfc6c019613edbbeab3e177c8be
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2559476
Commit-Queue: Julie Kim <jkim@igalia.com>
Reviewed-by: Wei Li <weili@chromium.org>
Cr-Commit-Position: refs/heads/master@{#833634}