MD Settings: change settings-input to home-url-input due to reduced usage.

chrome/test/data/webui/settings/appearance_page_test.js

Index: chrome/test/data/webui/settings/appearance_page_test.js
diff --git a/chrome/test/data/webui/settings/appearance_page_test.js b/chrome/test/data/webui/settings/appearance_page_test.js
index 3beb0a747e40463d643ec7c1e70a7cb71d577c97..973578d31ff645657f9ab81398160e4199368373 100644
--- a/chrome/test/data/webui/settings/appearance_page_test.js
+++ b/chrome/test/data/webui/settings/appearance_page_test.js
@@ -252,21 +252,19 @@ suite('AppearanceHandler', function() {
   });
 
   test('home button urls', function() {
-    appearancePage.set('prefs', {
-      browser: {show_home_button: {value: true}},
-      homepage: {type: chrome.settingsPrivate.PrefType.URL, value: 'test'}
-    });
+    var input = document.createElement('home-url-input');
+    input.set(
+        'pref', {type: chrome.settingsPrivate.PrefType.URL, value: 'test'});
 
+    document.body.appendChild(input);

[dpapad, 2017/03/30 20:27:00]

This test no longer uses appearancePage. Let's call PolymerTest.clearBody()
before appending to body (test should still work).

Moreover (optional), you could also move this test to its own suite() in this
file.

[scottchen, 2017/03/31 00:01:06]

Done.

     Polymer.dom.flush();
 
-    var input = appearancePage.$$('#customHomePage');
-    assertTrue(!!input);
     assertFalse(input.invalid);
     assertEquals(input.value, 'test');
 
     input.value = '@@@';
     appearanceBrowserProxy.setValidStartupPageResponse(false);
-    input.fire('input');
+    input.$.input.fire('input');
 
     return appearanceBrowserProxy.whenCalled('validateStartupPage')
         .then(function() {
@@ -275,7 +273,7 @@ suite('AppearanceHandler', function() {
           assertTrue(input.invalid);
 
           // Should reset to default value on change event.
-          input.$$('paper-input').fire('change');
+          input.$.input.fire('change');
           Polymer.dom.flush();
           assertEquals(input.value, 'test');
         });