cc: Use visible_rect_for_tile_priority_ where approriate

cc/trees/layer_tree_impl.cc

Index: cc/trees/layer_tree_impl.cc
diff --git a/cc/trees/layer_tree_impl.cc b/cc/trees/layer_tree_impl.cc
index ea9c1d012f14c9097bbd0dd3b262de1dfe1696bc..6c8b3659b1333ceb54ab910f6c4808b4598a180c 100644
--- a/cc/trees/layer_tree_impl.cc
+++ b/cc/trees/layer_tree_impl.cc
@@ -509,6 +509,10 @@ bool LayerTreeImpl::UpdateDrawProperties() {
           settings().minimum_occlusion_tracking_size);
     }
 
+    bool draw_properties_valid_for_tile_priority =
+        (layer_tree_host_impl_->GetDrawMode() !=
+         DRAW_MODE_RESOURCELESS_SOFTWARE);
+
     // LayerIterator is used here instead of CallFunctionForSubtree to only
     // UpdateTilePriorities on layers that will be visible (and thus have valid
     // draw properties) and not because any ordering is required.
@@ -527,8 +531,10 @@ bool LayerTreeImpl::UpdateDrawProperties() {
                                   layer->draw_transform())
                             : Occlusion();
 
-      if (it.represents_itself())
-        layer->UpdateTiles(occlusion_in_content_space);
+      if (it.represents_itself()) {
+        layer->UpdateTiles(occlusion_in_content_space,
+                           draw_properties_valid_for_tile_priority);
+      }
 
       if (!it.represents_contributing_render_surface()) {
         if (occlusion_tracker)
@@ -536,11 +542,16 @@ bool LayerTreeImpl::UpdateDrawProperties() {
         continue;
       }
 
-      if (layer->mask_layer())
-        layer->mask_layer()->UpdateTiles(occlusion_in_content_space);
-      if (layer->replica_layer() && layer->replica_layer()->mask_layer())
+      if (layer->mask_layer()) {
+        layer->mask_layer()->UpdateTiles(
+            occlusion_in_content_space,
+            draw_properties_valid_for_tile_priority);
+      }
+      if (layer->replica_layer() && layer->replica_layer()->mask_layer()) {
         layer->replica_layer()->mask_layer()->UpdateTiles(
-            occlusion_in_content_space);
+            occlusion_in_content_space,
+            draw_properties_valid_for_tile_priority);
+      }
 
       if (occlusion_tracker)
         occlusion_tracker->LeaveLayer(it);