cc: Move RenderTarget Information to Effect Tree

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 5525263d385696fbb63b68bc73b9100a0c80ee38..aba08539075b9991b311b40750658bd9dbf15009 100644
--- a/cc/trees/layer_tree_impl.cc
+++ b/cc/trees/layer_tree_impl.cc
@@ -860,7 +860,7 @@ bool LayerTreeImpl::UpdateDrawProperties(bool update_lcd_text) {
          it != end; ++it) {
       occlusion_tracker.EnterLayer(it);
 
-      bool inside_replica = it->render_target()->InsideReplica();
+      bool inside_replica = it->InsideReplica();
 
       // Don't use occlusion if a layer will appear in a replica, since the
       // tile raster code does not know how to look for the replica and would
@@ -906,7 +906,7 @@ bool LayerTreeImpl::UpdateDrawProperties(bool update_lcd_text) {
     }
 
     unoccluded_screen_space_region_ =
-        occlusion_tracker.ComputeVisibleRegionInScreen();
+        occlusion_tracker.ComputeVisibleRegionInScreen(this);
   }
 
   // It'd be ideal if this could be done earlier, but when the raster source