MD Settings: fix infinite setInterval loop

chrome/browser/resources/settings/settings_main/settings_main.html

Index: chrome/browser/resources/settings/settings_main/settings_main.html
diff --git a/chrome/browser/resources/settings/settings_main/settings_main.html b/chrome/browser/resources/settings/settings_main/settings_main.html
index cf0f7de220fb65d35db68f4588c00cb81f69a5ca..98e941577478015ff778feca683ad8daa848ac3f 100644
--- a/chrome/browser/resources/settings/settings_main/settings_main.html
+++ b/chrome/browser/resources/settings/settings_main/settings_main.html
@@ -58,7 +58,8 @@
       <div>$i18nRaw{searchNoResultsHelp}</div>
     </div>
     <template is="dom-if" if="[[showPages_.basic]]">
-      <settings-basic-page prefs="{{prefs}}"
+      <settings-basic-page route="BASIC"
+          prefs="{{prefs}}"

[dschuyler, 2016/09/01 18:28:42]

nit: unwrap

           page-visibility="[[pageVisibility]]"
           on-subpage-expand="onSubpageExpand_">
       </settings-basic-page>
@@ -76,14 +77,15 @@
         </div>
       </template>
       <template is="dom-if" if="[[showPages_.advanced]]">
-        <settings-advanced-page prefs="{{prefs}}"
+        <settings-advanced-page route="ADVANCED"
+            prefs="{{prefs}}"

[dschuyler, 2016/09/01 18:28:42]

nit: unwrap

             page-visibility="[[pageVisibility]]"
             on-subpage-expand="onSubpageExpand_">
         </settings-advanced-page>
       </template>
     </template>
     <template is="dom-if" if="[[showPages_.about]]">
-      <settings-about-page></settings-about-page>
+      <settings-about-page route="ABOUT"></settings-about-page>
     </template>
     <div id="overscroll" style="padding-bottom: [[overscroll_]]px"></div>
   </template>