Bug 913756 - Text Selection Handles displayed from position in previously navigated screen, r=margaret

mobile/android/chrome/content/SelectionHandler.js

@@ -510,7 +510,9 @@ var SelectionHandler = {
       // Remove our listener before we clear the selection
       selection.QueryInterface(Ci.nsISelectionPrivate).removeSelectionListener(this);
       // Clear selection without clearing the anchorNode or focusNode
-      selection.collapseToStart();
+      if (selection.rangeCount != 0) {
+        selection.collapseToStart();
+      }
     }
   },