Fix chrome://offline-internal page.

chrome/browser/resources/offline_pages/offline_internals.js

Index: chrome/browser/resources/offline_pages/offline_internals.js
diff --git a/chrome/browser/resources/offline_pages/offline_internals.js b/chrome/browser/resources/offline_pages/offline_internals.js
index d663460290d355fbde4fa5fd4fc463d29c851eec..b4690eec480ec2c6b14105163637b3fbd77d123f 100644
--- a/chrome/browser/resources/offline_pages/offline_internals.js
+++ b/chrome/browser/resources/offline_pages/offline_internals.js
@@ -11,8 +11,9 @@ cr.define('offlineInternals', function() {
   /** @type {!Array<SavePageRequest>} */
   var savePageRequests = [];
 
-  /** @type {offlineInternals.OfflineInternalsBrowserProxy} */
-  var browserProxy_;
+  /** @type {!offlineInternals.OfflineInternalsBrowserProxy} */
+  var browserProxy_ =
+      offlineInternals.OfflineInternalsBrowserProxyImpl.getInstance();
 
   /**
    * Fill stored pages table.
@@ -181,8 +182,6 @@ cr.define('offlineInternals', function() {
     $('log-request-off').onclick =
         browserProxy_.setRecordRequestQueue.bind(browserProxy_, false);
     $('refresh-logs').onclick = refreshLog;
-    browserProxy_ =
-        offlineInternals.OfflineInternalsBrowserProxyImpl.getInstance();
     refreshAll();
   }