[MD WebUI] Move icons used in Bookmarks and Settings to shared file.

chrome/browser/resources/settings/people_page/people_page.js

Index: chrome/browser/resources/settings/people_page/people_page.js
diff --git a/chrome/browser/resources/settings/people_page/people_page.js b/chrome/browser/resources/settings/people_page/people_page.js
index 5698401c9806adf1293cdc77451f288973c87f53..b403766d196fa9432c7479594b69e801e2db75bf 100644
--- a/chrome/browser/resources/settings/people_page/people_page.js
+++ b/chrome/browser/resources/settings/people_page/people_page.js
@@ -476,14 +476,14 @@ Polymer({
     if (!syncStatus)
       return '';
 
-    var syncIcon = 'settings:sync';
+    var syncIcon = 'cr:sync';
 
     if (syncStatus.hasError)
-      syncIcon = 'settings:sync-problem';
+      syncIcon = 'cr:sync-problem';
 
     // Override the icon to the disabled icon if sync is managed.
     if (syncStatus.managed)
-      syncIcon = 'settings:sync-disabled';
+      syncIcon = 'cr:sync-disabled';
 
     return syncIcon;
   },