[cc] Dont throw away tiles that stop moving

cc/tile_manager.cc

Index: cc/tile_manager.cc
diff --git a/cc/tile_manager.cc b/cc/tile_manager.cc
index 527e0933fe4819f61b9d45930533db1e69bd40c5..37c4766b8b50c965e071fd610742eaa37c4ad586 100644
--- a/cc/tile_manager.cc
+++ b/cc/tile_manager.cc
@@ -49,9 +49,6 @@ inline TileManagerBin BinFromTilePriority(const TilePriority& prio) {
       TilePriority::kMaxDistanceInContentSpace)
     return NEVER_BIN;
 
-  if (prio.time_to_visible_in_seconds == std::numeric_limits<float>::infinity())
-    return NEVER_BIN;
-
   if (prio.time_to_visible_in_seconds == 0 ||
       prio.distance_to_visible_in_pixels < backfling_guard_distance_pixels)
     return NOW_BIN;