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

chrome/browser/resources/settings/about_page/about_page.html

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="/about_page/about_page_browser_proxy.html">
 <link rel="import" href="/i18n_setup.html">
 <link rel="import" href="/icons.html">
 <link rel="import" href="/lifetime_browser_proxy.html">
 <link rel="import" href="/route.html">
 <link rel="import" href="/settings_page/main_page_behavior.html">
 <link rel="import" href="/settings_page/settings_animated_pages.html">
 <link rel="import" href="/settings_page/settings_section.html">
 <link rel="import" href="/settings_page_css.html">
@@ skipping 65 matching lines @@
           <neon-animatable route-path="default">
             <div class="settings-box two-line">
               <img id="product-logo" on-tap="onProductLogoTap_"
                   srcset="chrome://theme/current-channel-logo@1x 1x,
                           chrome://theme/current-channel-logo@2x 2x" alt="">
               <span class="product-title">$i18n{aboutProductTitle}</span>
             </div>
             <div class="settings-box two-line">
               <iron-icon
                   hidden="[[!shouldShowUpdateStatusIcon_(
-                      currentUpdateStatusEvent_)]]"
-                  icon$="[[getIcon_(currentUpdateStatusEvent_)]]"
-                  src="[[getIconSrc_(currentUpdateStatusEvent_)]]">
+                      obsoleteSystemInfo_, currentUpdateStatusEvent_)]]"
+                  icon$="[[getIcon_(obsoleteSystemInfo_, currentUpdateStatusEvent_)]]"
+                  src="[[getIconSrc_(obsoleteSystemInfo_, currentUpdateStatusEvent_)]]">

[Dan Beam, 2016/11/01 06:39:48]

nit: 80 col wrap (you can wrap in a C++ or JS-like way now in binding)

[dpapad, 2016/11/01 16:38:09]

Done.

               </iron-icon>
               <div class="start">
                 <div id="updateStatusMessage"
                     hidden="[[!shouldShowUpdateStatusMessage_(
-                        currentUpdateStatusEvent_)]]"
+                        obsoleteSystemInfo_, currentUpdateStatusEvent_)]]"
 <if expr="not chromeos">
                     inner-h-t-m-l="[[getUpdateStatusMessage_(
                         currentUpdateStatusEvent_)]]">
 </if>
 <if expr="chromeos">
                     inner-h-t-m-l="[[getUpdateStatusMessage_(
                         currentUpdateStatusEvent_, targetChannel_)]]">
 </if>
                 </div>
                 <span id="deprecationWarning"
@@ skipping 77 matching lines @@
               <settings-detailed-build-info></settings-detailed-build-info>
             </settings-subpage>
           </template>
 </if>
         </settings-animated-pages>
       </settings-section>
     </div>
   </template>
   <script src="about_page.js"></script>
 </dom-module>