cc: Early out of UpdateTiles for resoureceless draw

cc/test/fake_picture_layer_impl.cc

Index: cc/test/fake_picture_layer_impl.cc
diff --git a/cc/test/fake_picture_layer_impl.cc b/cc/test/fake_picture_layer_impl.cc
index 545cc8919ce41b3ef74bd756c2b843ce6399b091..225ee64baeeddb717e581a6270aa2f5737136fcb 100644
--- a/cc/test/fake_picture_layer_impl.cc
+++ b/cc/test/fake_picture_layer_impl.cc
@@ -189,11 +189,11 @@ size_t FakePictureLayerImpl::CountTilesRequired(
   if (!tilings_)
     return 0;
 
-  if (visible_rect_for_tile_priority_.IsEmpty())
+  if (visible_layer_rect().IsEmpty())
     return 0;
 
   gfx::Rect rect = viewport_rect_for_tile_priority_in_content_space_;
-  rect.Intersect(visible_rect_for_tile_priority_);
+  rect.Intersect(visible_layer_rect());
 
   size_t count = 0;