ViewportConstrainedNotCompositedReasonBits 4085 Source/core/rendering/RenderLayer.cpp COMPILE_ASSERT(1 << RenderLayer::ViewportConstrainedNotCompositedReasonBits >= RenderLayer::NumNotCompositedReasons, too_many_viewport_constrained_not_compositing_reasons);
ViewportConstrainedNotCompositedReasonBits  775 Source/core/rendering/RenderLayer.h         unsigned viewportConstrainedNotCompositedReason : ViewportConstrainedNotCompositedReasonBits;