…nical

Invalidate_rendered_frame expects full rendering in next WR rendering. Then when invalidate_rendered_frame is requested, we need to request force redraw. Otherwise, SwapChain might skip present call during partial present.

Differential Revision: https://phabricator.services.mozilla.com/D51784

[wrupdater] From https://hg.mozilla.org/mozilla-central/rev/8189d25586fb6dd2d8e4f5bafbc43a1e31f4988e