Avoid the use of foreach on NodeList.

chrome/browser/resources/chromeos/chromevox/chromevox/injected/init_document.js

Index: chrome/browser/resources/chromeos/chromevox/chromevox/injected/init_document.js
diff --git a/chrome/browser/resources/chromeos/chromevox/chromevox/injected/init_document.js b/chrome/browser/resources/chromeos/chromevox/chromevox/injected/init_document.js
index f547f3c77eec6d7b2bf4c553441f4ce020556c34..c2be9ed1b254f105a6d678fdd139756c2eb4468c 100644
--- a/chrome/browser/resources/chromeos/chromevox/chromevox/injected/init_document.js
+++ b/chrome/browser/resources/chromeos/chromevox/chromevox/injected/init_document.js
@@ -86,13 +86,13 @@ cvox.ChromeVox.initDocument = function() {
   // Look for ChromeVox-specific meta attributes.
   var disableContentScript = false;
   if (document.head) {
-    document.head.querySelectorAll('meta[name="chromevox"]').forEach(
-      function(meta) {
-        var contentScript = meta.getAttribute('content-script');
-        if (contentScript && contentScript.toLowerCase() == 'no') {
-          disableContentScript = true;
-        }
-      });
+    var metaNodes = document.head.querySelectorAll('meta[name="chromevox"]');
+    for (var i = 0, meta; meta = metaNodes[i]; i++) {
+      var contentScript = meta.getAttribute('content-script');
+      if (contentScript && contentScript.toLowerCase() == 'no') {
+        disableContentScript = true;
+      }
+    }
   }
   if (disableContentScript) {
     var url = location.href;