Add "SHOW ALL SAVED PAGES" button to offline error page

chrome/renderer/net/net_error_page_controller.cc

Index: chrome/renderer/net/net_error_page_controller.cc
diff --git a/chrome/renderer/net/net_error_page_controller.cc b/chrome/renderer/net/net_error_page_controller.cc
index 495c5b10fcb71c60ee04f788bae5b42d50c43252..f9a2ed38989c2844089adcb94a02dcfe3e71cc23 100644
--- a/chrome/renderer/net/net_error_page_controller.cc
+++ b/chrome/renderer/net/net_error_page_controller.cc
@@ -43,6 +43,10 @@ bool NetErrorPageController::ShowSavedCopyButtonClick() {
   return ButtonClick(error_page::NetErrorHelperCore::SHOW_SAVED_COPY_BUTTON);
 }
 
+bool NetErrorPageController::ShowSavedPagesButtonClick() {
+  return ButtonClick(error_page::NetErrorHelperCore::SHOW_SAVED_PAGES_BUTTON);
+}
+
 bool NetErrorPageController::ReloadButtonClick() {
   return ButtonClick(error_page::NetErrorHelperCore::RELOAD_BUTTON);
 }
@@ -92,6 +96,8 @@ gin::ObjectTemplateBuilder NetErrorPageController::GetObjectTemplateBuilder(
              isolate)
       .SetMethod("showSavedCopyButtonClick",
                  &NetErrorPageController::ShowSavedCopyButtonClick)
+      .SetMethod("showSavedPagesButtonClick",
+                 &NetErrorPageController::ShowSavedPagesButtonClick)
       .SetMethod("reloadButtonClick",
                  &NetErrorPageController::ReloadButtonClick)
       .SetMethod("detailsButtonClick",