MD Settings: Eliminate Relaunch button flicker at chrome://md-settings/help.

chrome/browser/resources/settings/about_page/about_page.js

Index: chrome/browser/resources/settings/about_page/about_page.js
diff --git a/chrome/browser/resources/settings/about_page/about_page.js b/chrome/browser/resources/settings/about_page/about_page.js
index dc61dbb1f5cc056455c123503d309d6fad3174e5..10df3b620bf359afbec9d255ee6098c33dcb2185 100644
--- a/chrome/browser/resources/settings/about_page/about_page.js
+++ b/chrome/browser/resources/settings/about_page/about_page.js
@@ -12,8 +12,22 @@ Polymer({
   behaviors: [WebUIListenerBehavior, MainPageBehavior, I18nBehavior],
 
   properties: {
+    /** @private {!{obsolete: boolean, endOfLine: boolean}} */
+    obsoleteSystemInfo_: {
+      type: Object,
+      value: function() {
+        return {
+          obsolete: loadTimeData.getBoolean('aboutObsoleteNowOrSoon'),
+          endOfLine: loadTimeData.getBoolean('aboutObsoleteEndOfTheLine'),
+        };
+      },
+    },

[Dan Beam, 2016/10/27 19:28:24]

i really think we should fix whatever made you move this above
currentUpdateStatusEvent_, or at minimum add a comment explaining why the order
of these properties matters

[dpapad, 2016/11/01 00:47:18]

Done. Fixed the polymer properties dependencies and moved this back to where it
was.

+
     /** @private {?UpdateStatusChangedEvent} */
-    currentUpdateStatusEvent_: Object,
+    currentUpdateStatusEvent_: {
+      type: Object,
+      value: {message: '', progress: 0, status: UpdateStatus.DISABLED},
+    },
 
 <if expr="chromeos">
     /** @private */
@@ -28,17 +42,6 @@ Polymer({
     /** @private {?RegulatoryInfo} */
     regulatoryInfo_: Object,
 </if>
-
-    /** @private {!{obsolete: boolean, endOfLine: boolean}} */
-    obsoleteSystemInfo_: {
-      type: Object,
-      value: function() {
-        return {
-          obsolete: loadTimeData.getBoolean('aboutObsoleteNowOrSoon'),
-          endOfLine: loadTimeData.getBoolean('aboutObsoleteEndOfTheLine'),
-        };
-      },
-    },
   },
 
   /** @private {?settings.AboutPageBrowserProxy} */