Support saving a web page as a plain HTML

chrome/browser/download/save_package_file_picker.h

Index: chrome/browser/download/save_package_file_picker.h
diff --git a/chrome/browser/download/save_package_file_picker.h b/chrome/browser/download/save_package_file_picker.h
index 5e370521427b4f8e4d1dd52d4385fef9d6ccfe08..4d24a7c0cf849fa10f2a0f766e4ec3aae772cab8 100644
--- a/chrome/browser/download/save_package_file_picker.h
+++ b/chrome/browser/download/save_package_file_picker.h
@@ -5,8 +5,11 @@
 #ifndef CHROME_BROWSER_DOWNLOAD_SAVE_PACKAGE_FILE_PICKER_H_
 #define CHROME_BROWSER_DOWNLOAD_SAVE_PACKAGE_FILE_PICKER_H_
 
+#include <vector>
+
 #include "base/memory/ref_counted.h"
 #include "content/public/browser/download_manager_delegate.h"
+#include "content/public/browser/save_page_type.h"
 #include "ui/shell_dialogs/select_file_dialog.h"
 
 class DownloadPrefs;
@@ -46,6 +49,8 @@ class SavePackageFilePicker : public ui::SelectFileDialog::Listener {
 
   content::SavePackagePathPickedCallback callback_;
 
+  std::vector<content::SavePageType> save_types_;
+
   // For managing select file dialogs.
   scoped_refptr<ui::SelectFileDialog> select_file_dialog_;