[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

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_MHTML_ARCHIVER_H_
 #define CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_MHTML_ARCHIVER_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #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;
 }  // namespace base
 
 namespace content {
 class WebContents;
 }  // namespace content
 
 namespace offline_pages {
@@ skipping 36 matching lines @@
   void OnGenerateMHTMLDone(const GURL& url,
                            const base::FilePath& file_path,
                            const base::string16& title,
                            int64_t file_size);
 
   // Checks whether the page to be saved has security error when loaded over
   // HTTPS. Saving a page will fail if that is the case. HTTP connections are
   // 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);
 
  private:
   // Contents of the web page to be serialized. Not owned.
   content::WebContents* web_contents_;
 
   CreateArchiveCallback callback_;
 
   base::WeakPtrFactory<OfflinePageMHTMLArchiver> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OfflinePageMHTMLArchiver);
 };
 
 }  // namespace offline_pages
 
 #endif  // CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_MHTML_ARCHIVER_H_