Remove RenderLayerRepainter

This change moved the final function to RenderLayerModelObject.
FrameView was calling the function but it should have used
an invalidation function on RenderView so it was patched as
part of this change.

Review URL: https://codereview.chromium.org/583033002

git-svn-id: svn://svn.chromium.org/blink/trunk@182361 bbb929c8-8fbe-4397-9dbb-9b2b20218538