[Offline pages] Add new Error page failure status inside the MHTML archiver and update correspondin…

chrome/browser/android/offline_pages/offline_page_mhtml_archiver.h

Index: chrome/browser/android/offline_pages/offline_page_mhtml_archiver.h
diff --git a/chrome/browser/android/offline_pages/offline_page_mhtml_archiver.h b/chrome/browser/android/offline_pages/offline_page_mhtml_archiver.h
index 59272ad5ec4d1d20f5626c21a10d22d61271465a..5a316ed2a686d3c9e27a6942efd1fb2715579860 100644
--- a/chrome/browser/android/offline_pages/offline_page_mhtml_archiver.h
+++ b/chrome/browser/android/offline_pages/offline_page_mhtml_archiver.h
@@ -15,6 +15,7 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "components/offline_pages/core/offline_page_archiver.h"
+#include "content/public/common/page_type.h"
 
 namespace base {
 class FilePath;
@@ -71,6 +72,9 @@ class OfflinePageMHTMLArchiver : public OfflinePageArchiver {
   // not affected.
   virtual bool HasConnectionSecurityError();
 
+  // Returns the page type of the page being saved.
+  virtual content::PageType GetPageType();
+
   // Reports failure to create archive a page to the client that requested it.
   void ReportFailure(ArchiverResult result);