Remove call to reverse when focusing nested iframes

Follow / fix to
https://chromium-review.googlesource.com/c/chromium/src/+/1577919/3/chrome/browser/resources/chromeos/chromevox/cvox2/background/background.js#453

TBR=dmazzoni@chromium.org

Change-Id: I142e355d422c0eb23b22b3cb977413367439584a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1577570
Commit-Queue: David Tseng <dtseng@chromium.org>
Reviewed-by: David Tseng <dtseng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#653090}
diff --git a/chrome/browser/resources/chromeos/chromevox/cvox2/background/background.js b/chrome/browser/resources/chromeos/chromevox/cvox2/background/background.js
index 4d66e38..ee3c77d 100644
--- a/chrome/browser/resources/chromeos/chromevox/cvox2/background/background.js
+++ b/chrome/browser/resources/chromeos/chromevox/cvox2/background/background.js
@@ -447,7 +447,6 @@
             return f.role == RoleType.EMBEDDED_OBJECT ||
                 f.role == RoleType.IFRAME;
           })
-          .reverse()
           .forEach((container) => {
             if (!container.state[StateType.FOCUSED])
               container.focus();