Show search box on settings page in ChromeOS guest mode.

chrome/browser/resources/options/browser_options.css

Index: chrome/browser/resources/options/browser_options.css
diff --git a/chrome/browser/resources/options/browser_options.css b/chrome/browser/resources/options/browser_options.css
index bc945bf644302b5106a129839a2922c446fb58b6..0e3bf11ddf0831ec195c205ea8d8f88b9d95ec03 100644
--- a/chrome/browser/resources/options/browser_options.css
+++ b/chrome/browser/resources/options/browser_options.css
@@ -452,10 +452,14 @@ list:not([disabled]) > .network-group[selected] {
   -webkit-margin-start: 0.6em;
 }
 
-div[guestmode=true] #appearance-section,
-div[guestmode=true] #startup-section,
-div[guestmode=true] #searchBox,
-div[guestmode=true] #reset-profile-settings-section {
+<if expr="not chromeos">
+div[guestmode=true] #searchBox {
+  display: none;
+}
+</if>
+
+div[guestmode=true] :-webkit-any(
+    #appearance-section, #startup-section, #reset-profile-settings-section) {

[Evan Stade, 2014/08/29 19:44:06]

nit: I would format it:

div[guestmode=true] :-webkit-any(
<if expr="not chromeos">
    #searchBox,
</if>
    #appearance-section,
    #startup-section,
    #reset-profile-settings-section) {
  display: none;
}

   display: none;
 }