In Clear11, use ID3D11DeviceContext1::ClearView when appropriate Change-Id: I8d9054b5582cfe78beaff07146adc73b4716eaf9 Reviewed-on: https://chromium-review.googlesource.com/233680 Tested-by: Austin Kinross <aukinros@microsoft.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>