Add instant to tabbed options.

chrome/browser/resources/options/browser_options_page.css

Index: chrome/browser/resources/options/browser_options_page.css
diff --git a/chrome/browser/resources/options/browser_options_page.css b/chrome/browser/resources/options/browser_options_page.css
index b2c1f27be9b8deb397b184c1f6b7db500e947db1..a68cf78ac3cb2d8a0cacae1b8a8c4c6e074c4fa6 100644
--- a/chrome/browser/resources/options/browser_options_page.css
+++ b/chrome/browser/resources/options/browser_options_page.css
@@ -9,6 +9,12 @@
 
 #defaultSearchEngineGroup {
   display: -webkit-box;
+  -webkit-box-orient: vertical;
+}
+
+#defaultSearchEngineGroup > div {
+  display: -webkit-box;
+  -webkit-box-orient: horizontal;
 }
 
 #defaultSearchEngine {
@@ -21,6 +27,10 @@
   -webkit-margin-start: 10px;
 }
 
+#instantOption {
+  margin-bottom: 0px;
+}
+
 #defaultBrowserState {
   color: #880000;
 }