The following methods have been removed from SkSurface and relocated to other methods/functions:

• SkSurface::asImage -> SkSurfaces::AsImage (include/gpu/graphite/Surface.h)
• SkSurface::flushAndSubmit -> GrDirectContext::flushAndSubmit
• SkSurface::flush -> GrDirectContext::flush
• SkSurface::makeImageCopy -> SkSurfaces::AsImageCopy (include/gpu/graphite/Surface.h)
• SkSurface::resolveMSAA -> SkSurfaces::ResolveMSAA() (include/gpu/ganesh/SkSurfaceGanesh.h)

Additionally, SkSurface::BackendSurfaceAccess is now in the SkSurfaces namespace.