Skip over the URL input when the NTP is used for the Home Button.

chrome/browser/resources/settings/appearance_page/appearance_page.html

 <link rel="import" href="chrome://resources/html/i18n_behavior.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/classes/iron-flex-layout.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/neon-animatable.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button-light.html">
 <link rel="import" href="/appearance_page/appearance_browser_proxy.html">
 <link rel="import" href="/controls/controlled_radio_button.html">
 <link rel="import" href="/controls/settings_dropdown_menu.html">
@@ skipping 62 matching lines @@
                 $i18n{homePageNtp}
               </controlled-radio-button>
               <controlled-radio-button class="list-item" name="false"
                   pref="[[prefs.homepage_is_newtabpage]]">
                 $i18n{other}
                 <!-- TODO(dbeam): this can show double indicators when both
                      homepage and whether to use the NTP as the homepage are
                      managed. -->
                 <settings-input no-label-float pref="{{prefs.homepage}}"
                     label="$i18n{exampleDotCom}"
+                    can-tab="[[!prefs.homepage_is_newtabpage.value]]"
                     stop-keyboard-event-propagation>
                 </settings-input>
               </controlled-radio-button>
             </settings-radio-group>
           </div>
         </template>
         <div class="settings-box"
             hidden="[[!pageVisibility.bookmarksBar]]">
           <settings-checkbox class="start" label="$i18n{showBookmarksBar}"
               pref="{{prefs.bookmark_bar.show_on_all_tabs}}">
@@ skipping 35 matching lines @@
             associated-control="[[$$('#customize-fonts-subpage-trigger')]]"
             page-title="$i18n{customizeFonts}">
           <settings-appearance-fonts-page prefs="{{prefs}}">
           </settings-appearance-fonts-page>
         </settings-subpage>
       </template>
     </settings-animated-pages>
   </template>
   <script src="appearance_page.js"></script>
 </dom-module>