Revert "In Clear11, use ID3D11DeviceContext1::ClearView when appropriate" Causing failures on GPU Windows bots This reverts commit 3b23162968cdb7fb76aef74e979d8ea1fd256a8d. Change-Id: Ie1806db36b13f8b03dc1a1ae10f237260c99de7b Reviewed-on: https://chromium-review.googlesource.com/231701 Reviewed-by: Shannon Woods <shannonwoods@chromium.org> Tested-by: Shannon Woods <shannonwoods@chromium.org>