Remove dead code in SVGListPropertyHelper<...>::ReplaceItem

If |values_| does not contain any entries, then CheckIndexBound will
fail, so the 'values_.IsEmpty()' condition can never be true here.

Cq-Include-Trybots: luci.chromium.try:linux_layout_tests_slimming_paint_v2;master.tryserver.blink:linux_trusty_blink_rel
Change-Id: I3c96b6b198a8d9f345a08a436101d803384d11e2
Reviewed-on: https://chromium-review.googlesource.com/1179834
Reviewed-by: Stephen Chenney <schenney@chromium.org>
Commit-Queue: Fredrik Söderquist <fs@opera.com>
Cr-Commit-Position: refs/heads/master@{#584174}
1 file changed