Issue 2010 - Remove some uses of "for each" with "for of"

chrome/content/errors.html

Index: chrome/content/errors.html
===================================================================
--- a/chrome/content/errors.html
+++ b/chrome/content/errors.html
@@ -60,17 +60,17 @@
           (/adblock/i.test(message.errorMessage) || /adblock/i.test(message.sourceName) ||
            id && (message.errorMessage.indexOf(id) >= 0 || message.sourceName && message.sourceName.indexOf(id) >= 0)));
     });
 
     if (messages.length)
     {
       document.write("<p>Errors related to Adblock Plus:</p>");
 
-      for each (let message in messages)
+      for (let message of messages)
       {
         let type = (message.flags & Components.interfaces.nsIScriptError.warningFlag ? "warning" : "error");
         let html = "<b>" + (type == "warning" ? "Warning:" : "Error:") + "</b><br>";
         html += encodeHTML(message.errorMessage) + "<br><br>";
         if (message.sourceLine)
           html += "Source line: " + encodeHTML(message.sourceLine) + "<br>";
         if (message.sourceName)
           html += "Location: " + encodeHTML(message.sourceName) + " line " + message.lineNumber + "<br>";