MD Settings: add extension-controlled indicator to homepage

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

Index: chrome/browser/resources/settings/appearance_page/appearance_page.html
diff --git a/chrome/browser/resources/settings/appearance_page/appearance_page.html b/chrome/browser/resources/settings/appearance_page/appearance_page.html
index 7cd5355bb0f74edfa016db5e4ca57c235156362d..376912cb151b56820492c500a491be8dc1bbc97d 100644
--- a/chrome/browser/resources/settings/appearance_page/appearance_page.html
+++ b/chrome/browser/resources/settings/appearance_page/appearance_page.html
@@ -6,6 +6,7 @@
 <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/extension_controlled_indicator.html">
 <link rel="import" href="/controls/settings_dropdown_menu.html">
 <link rel="import" href="/controls/settings_input.html">
 <link rel="import" href="/controls/settings_radio_group.html">
@@ -89,7 +90,8 @@
         <div class="settings-box"
             hidden="[[!pageVisibility.homeButton]]">
           <settings-checkbox class="start" label="$i18n{showHomeButton}"
-              sub-label="[[getShowHomeSubLabel_(prefs.homepage_is_newtabpage.value, prefs.homepage.value)]]"
+              sub-label="[[getShowHomeSubLabel_(
+                  prefs.homepage_is_newtabpage.value, prefs.homepage.value)]]"
               pref="{{prefs.browser.show_home_button}}">
           </settings-checkbox>
         </div>
@@ -113,6 +115,15 @@
                     stop-keyboard-event-propagation>
                 </settings-input>
               </controlled-radio-button>
+              <template is="dom-if" if="[[prefs.homepage.extensionId]]">
+                <extension-controlled-indicator
+                    extension-id="[[prefs.homepage.extensionId]]"
+                    extension-can-be-disabled="[[
+                        prefs.homepage.extensionCanBeDisabled]]"
+                    extension-name="[[prefs.homepage.controlledByName]]"
+                    on-disable-extension="onDisableExtension_">
+                </extension-controlled-indicator>
+              </template>
             </settings-radio-group>
           </div>
         </template>