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Note, this fix is general, but in this CL we restrict it to de-jelly
paths for merge safety. A follow-up CL will remove this restriction.

In cases where a SurfaceDrawQuad's root render pass was not merged into
its parent, we did not correctly handle cases where the root render
pass represented a subset of the SurfaceDrawQuad's area. This was
possible in OOPIF cases where the root render pass was clipped to
visible bounds.

This CL adjusts generated RenderPassDrawQuad's parameters to ensure it
is correctly sized and samples from the correct area of the source
RenderPass.

Bug: 1016677
Change-Id: Ic88d22c86e6d6399689dfb7d1ca4f0fda0ab24f3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1879750Reviewed-by: Saman Sami <samans@chromium.org>
Commit-Queue: Eric Karl <ericrk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#709715}