MD Settings: Lazy-load sub-pages.

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

Index: chrome/test/data/webui/settings/advanced_page_browsertest.js
diff --git a/chrome/test/data/webui/settings/advanced_page_browsertest.js b/chrome/test/data/webui/settings/advanced_page_browsertest.js
index 0ab9b6e84478f18f4cafa0580db641c8d84c9da1..8582cb06dfc8bcf09b5b01526c6b3b3d346b34db 100644
--- a/chrome/test/data/webui/settings/advanced_page_browsertest.js
+++ b/chrome/test/data/webui/settings/advanced_page_browsertest.js
@@ -23,9 +23,9 @@ SettingsAdvancedPageBrowserTest.prototype = {
 // the Settings page can take several seconds to load in a Release build
 // and several times that in a Debug build. See https://crbug.com/558434.
 GEN('#if defined(MEMORY_SANITIZER) || !defined(NDEBUG)');
-GEN('#define MAYBE_Load DISABLED_Main');
+GEN('#define MAYBE_Load DISABLED_Load');
 GEN('#else');
-GEN('#define MAYBE_Load Main');
+GEN('#define MAYBE_Load Load');
 GEN('#endif');
 
 TEST_F('SettingsAdvancedPageBrowserTest', 'MAYBE_Load', function() {
@@ -41,15 +41,15 @@ TEST_F('SettingsAdvancedPageBrowserTest', 'MAYBE_Load', function() {
 
     test('advanced pages', function() {
       var page = self.getPage('advanced');
-      expectTrue(!!self.getSection(page, 'privacy'));
-      expectTrue(!!self.getSection(page, 'passwordsAndForms'));
-      expectTrue(!!self.getSection(page, 'languages'));
-      expectTrue(!!self.getSection(page, 'downloads'));
-      expectTrue(!!self.getSection(page, 'reset'));
-      if (cr.isChromeOS) {
-        expectTrue(!!self.getSection(page, 'dateTime'));
-        expectTrue(!!self.getSection(page, 'bluetooth'));
-        expectTrue(!!self.getSection(page, 'a11y'));
+      var sections = ['privacy', 'passwordsAndForms', 'languages', 'downloads',
+          'reset'];
+      if (cr.isChromeOS)
+        sections = sections.concat(['dateTime', 'bluetooth', 'a11y']);
+
+      for (var i = 0; i < sections.length; i++) {
+        var section = self.getSection(page, sections[i]);
+        expectTrue(!!section);
+        self.verifySubpagesHidden(section);
       }
     });
   });