Add instant to tabbed options.

chrome/browser/resources/options/browser_options_page.css

 #startupPages {
   border: solid 1px #999999;
   height: 100px;
 }
 
 #homepageURL {
   width: 100%;
 }
 
 #defaultSearchEngineGroup {
   display: -webkit-box;
+  -webkit-box-orient: vertical;
+}
+
+#defaultSearchEngineGroup > div {
+  display: -webkit-box;
+  -webkit-box-orient: horizontal;
 }
 
 #defaultSearchEngine {
   display: block;
   -webkit-box-flex: 1;
 }
 
 #defaultSearchManageEnginesButton {
   margin-top: 0px;
   -webkit-margin-start: 10px;
 }
 
+#instantOption {
+  margin-bottom: 0px;
+}
+
 #defaultBrowserState {
   color: #880000;
 }
 
 #defaultBrowserState.current {
   color: #008800;
 }