[MD Settings] manage-Profile resets the name to the current name on route change.

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

Index: chrome/browser/resources/settings/people_page/manage_profile.js
diff --git a/chrome/browser/resources/settings/people_page/manage_profile.js b/chrome/browser/resources/settings/people_page/manage_profile.js
index e7f2901894ed870cb3fa312fb1167d3f6a3686e7..740d4b3eeae7307e7968b8962e5132c954d5f81d 100644
--- a/chrome/browser/resources/settings/people_page/manage_profile.js
+++ b/chrome/browser/resources/settings/people_page/manage_profile.js
@@ -10,7 +10,7 @@
 Polymer({
   is: 'settings-manage-profile',
 
-  behaviors: [WebUIListenerBehavior],
+  behaviors: [WebUIListenerBehavior, settings.RouteObserverBehavior],
 
   properties: {
     /**
@@ -59,6 +59,12 @@ Polymer({
     this.browserProxy_.getAvailableIcons().then(setIcons);
   },
 
+  /** @protected */
+  currentRouteChanged: function() {
+    if (settings.getCurrentRoute() == settings.Route.MANAGE_PROFILE)
+      this.$.name.value = this.profileName;
+  },
+
   /**
    * Handler for when the profile name field is changed, then blurred.
    * @private