* Browser and version:
Chrome: Version 58.0.3029.110 (64-bit)
* Version of Leaflet (`L.version`):
0.7.7
* Version of esri Leaflet (`L.esri.VERSION`):
1.0.5
Steps to reproduce the error:
url: https://argis.ualr.edu/DCFS/index.html
1. load the url, at first it is secured, then it becomes unsecured? when the map is loaded
2. check out the console
What happens is .
When I load a layer from my server 'https' the proxy returns the following, the window._EsriLeafletCallbacks.c0 returns 'http'
```
// 20170607154733
// https://argis.ualr.edu/DotNet/proxy.ashx?https://argis.ualr.edu/arcgis/rest/services/DF/MapServer/ex...
window._EsriLeafletCallbacks.c0({
"href": "http://argis.ualr.edu/arcgis/rest/directories/arcgisoutput/DF_MapServer/_ags_map1fcce4121c054f088080...",
"width": 1920,
"height": 974,
"extent": {
"xmin": -10865064.948568091,
"ymin": 3830412.3614267511,
"xmax": -9690992.194107784,
"ymax": 4426009.6858248441,
"spatialReference": {
"wkid": 102100,
"latestWkid": 3857
}
},
"scale": 2311162.2171551138
});
```
Apologize couldn't figure out how to format the code.
