Bug 677975 - Exception [nsIShellService.createShortcut] @ BookmarkHelper.js :: <TOP_LEVEL> :: line 92 [r=wjohnston]

mobile/chrome/content/BookmarkHelper.js

@@ -76,6 +76,9 @@ var BookmarkHelper = {
   createShortcut: function BH_createShortcut(aTitle, aURL, aIconURL) {
     const kIconSize = 64;
 
+    aTitle = aTitle || aURL;
+    aIconURL = aIconURL || "chrome://browser/skin/images/favicon-default-32.png";
+
     let canvas = document.createElementNS("http://www.w3.org/1999/xhtml", "canvas");
     canvas.setAttribute("style", "display: none");
 
@@ -95,6 +98,10 @@ var BookmarkHelper = {
       }
     }
 
+    image.onerror = function() {
+      Cu.reportError("CreateShortcut: image load error");
+    }
+
     image.src = aIconURL;
   },