MD Settings: make chrome://[md-]settings/clearBrowserData URL work

chrome/browser/resources/settings/settings_main/settings_main.js

Index: chrome/browser/resources/settings/settings_main/settings_main.js
diff --git a/chrome/browser/resources/settings/settings_main/settings_main.js b/chrome/browser/resources/settings/settings_main/settings_main.js
index 11cd9dd684eebba61b2ff7ec7ffed466e63f3575..705d2014a87fd036d9c6eb7315d2a30207bb010f 100644
--- a/chrome/browser/resources/settings/settings_main/settings_main.js
+++ b/chrome/browser/resources/settings/settings_main/settings_main.js
@@ -2,6 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+(function() {
+
+var resolver = new PromiseResolver();
+
 /**
  * @fileoverview
  * 'settings-main' displays the selected settings page.
@@ -64,15 +68,25 @@ Polymer({
       this.showAdvancedPage_ = e.detail;
       this.isAdvancedMenuOpen_ = e.detail;
       if (this.showAdvancedPage_) {
-        scrollWhenReady(
+        doWhenReady(
             function() {
-              return this.$$('settings-advanced-page');
+              var advancedPage = this.$$('settings-advanced-page');
+              return !!advancedPage && advancedPage.scrollHeight > 0;
             }.bind(this),
             function() {
-              return this.$$('#toggleContainer');
+              this.$$('#toggleContainer').scrollIntoView();
             }.bind(this));
       }
     }.bind(this));
+
+    doWhenReady(
+        function() {
+          var basicPage = this.$$('settings-basic-page');
+          return !!basicPage && basicPage.scrollHeight > 0;
+        }.bind(this),
+        function() {
+          resolver.resolve();
+        });
   },
 
   /**
@@ -109,3 +123,9 @@ Polymer({
     this.fire('toggle-advanced-page', !this.isAdvancedMenuOpen_);
   },
 });
+
+cr.define('settings.main', function() {
+  return {rendered: resolver.promise};
+});
+
+})();