Surface button for loading stale cache copy on net error page.

chrome/renderer/resources/neterror.js

Index: chrome/renderer/resources/neterror.js
diff --git a/chrome/renderer/resources/neterror.js b/chrome/renderer/resources/neterror.js
index 6f1e60198071553bf9890c4d39adb4a41bdee403..592f24a7d0c60f8d043a88a15c34bdf470726d45 100644
--- a/chrome/renderer/resources/neterror.js
+++ b/chrome/renderer/resources/neterror.js
@@ -60,13 +60,38 @@ function search(baseSearchUrl) {
   return false;
 }
 
+// Implements button clicks.  This function is needed during the transition
+// between implementing these in trunk chromium and implementing them in
+// IOS.
+function reloadButtonClick(url) {
+  if ('errorPageController' in window) {
+    errorPageController.reloadButtonClick();
+  } else {
+    location = url;
+  }
+}
+
+function loadStaleButtonClick() {
+  if ('errorPageController' in window) {
+    errorPageController.loadStaleButtonClick();
+  }
+}
+
+function moreButtonClick() {
+  if ('errorPageController' in window) {
+    errorPageController.moreButtonClick();
+  }
+}
+
 <if expr="is_macosx or is_ios or is_linux or is_android">
 // Re-orders buttons. Used on Mac, Linux, and Android, where reload should go
 // on the right.
 function swapButtonOrder() {
-  reloadButton = document.getElementById('reload-button');
-  moreLessButton = document.getElementById('more-less-button');
+  var reloadButton = document.getElementById('reload-button');
+  var moreLessButton = document.getElementById('more-less-button');
+  var staleLoadButton = document.getElementById('stale-load-button');
   reloadButton.parentNode.insertBefore(moreLessButton, reloadButton);
+  reloadButton.parentNode.insertBefore(staleLoadButton, reloadButton)
 }
 document.addEventListener("DOMContentLoaded", swapButtonOrder);
 </if>