plotinfo already has xaxis/yaxis stashed

Author: alexcjohnson

src/plot_api/subroutines.js

@@ -79,10 +79,8 @@ exports.lsInner = function(gd) {
             return;
         }
 
-        var xa = Plotly.Axes.getFromId(gd, subplot, 'x');
-        var ya = Plotly.Axes.getFromId(gd, subplot, 'y');
-        var xDomain = xa.domain;
-        var yDomain = ya.domain;
+        var xDomain = plotinfo.xaxis.domain;
+        var yDomain = plotinfo.yaxis.domain;
         var plotgroupBgData = [];
 
         if(overlappingDomain(xDomain, yDomain, lowerDomains)) {
@@ -127,9 +125,8 @@ exports.lsInner = function(gd) {
     var freefinished = [];
     subplotSelection.each(function(subplot) {
         var plotinfo = fullLayout._plots[subplot];
-
-        var xa = Plotly.Axes.getFromId(gd, subplot, 'x');
-        var ya = Plotly.Axes.getFromId(gd, subplot, 'y');
+        var xa = plotinfo.xaxis;
+        var ya = plotinfo.yaxis;
 
         // reset scale in case the margins have changed
         xa.setScale();