Settings to control Add Person and Browse as Guest.

chrome/browser/resources/options/browser_options.html

Index: chrome/browser/resources/options/browser_options.html
diff --git a/chrome/browser/resources/options/browser_options.html b/chrome/browser/resources/options/browser_options.html
index 4e9c4eddac6d07af622e63d1c68c7cbe812552b5..025cdd3047ae8e4ad4c8075caa9b856464f32b28 100644
--- a/chrome/browser/resources/options/browser_options.html
+++ b/chrome/browser/resources/options/browser_options.html
@@ -192,6 +192,24 @@
       <div id="profiles-single-message" class="settings-row"
           i18n-content="profilesSingleUser">
       </div>
+<if expr="not chromeos">
+      <div id="profiles-enable-guest" class="checkbox">
+        <label>
+          <input id="profile-browser-guest-enable"

[Evan Stade, 2014/09/02 18:18:18]

where is this id used?

[Mike Lerman, 2014/09/04 14:37:08]

It's not. Removing.

+              pref="profile.browser_guest_enabled" type="checkbox">
+          <span i18n-content="profileBrowserGuestEnable">
+          </span>

[Evan Stade, 2014/09/02 18:18:18]

nit: can go on the line above

[Mike Lerman, 2014/09/04 14:37:08]

Done.

+        </label>
+      </div>
+      <div id="profiles-enable-add-person" class="checkbox">
+        <label>
+          <input id="profile-add-person-enable"

[Evan Stade, 2014/09/02 18:18:18]

where is this id used?

[Mike Lerman, 2014/09/04 14:37:08]

Removed.

+              pref="profile.add_person_enabled" type="checkbox">
+          <span i18n-content="profileAddPersonEnable">
+          </span>

[Evan Stade, 2014/09/02 18:18:18]

nit: can go on the line above

[Mike Lerman, 2014/09/04 14:37:08]

Done.

+        </label>
+      </div>
+</if>
       <div id="profiles-buttons">
         <button id="profiles-create" i18n-content="profilesCreate"></button>
 <if expr="enable_settings_app">