Load live version when reloading an offline page on connected network

chrome/browser/android/offline_pages/offline_page_utils.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_UTILS_H_
 #define CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_UTILS_H_
 
 #include <stdint.h>
 
 #include "base/callback.h"
 
 class GURL;
 
 namespace content {
 class BrowserContext;
 class WebContents;
 }
 
 namespace offline_pages {
+struct OfflinePageHeader;
 struct OfflinePageItem;
 
 class OfflinePageUtils {
  public:
   // Returns true if |url| might point to an offline page.
   static bool MightBeOfflineURL(const GURL& url);
 
   // Returns via callback an offline page saved for |online_url|, if any. The
   // page is chosen based on creation date; a more recently created offline
   // page will be preferred over an older one. The offline page captured from
@@ skipping 24 matching lines @@
   // Marks that the offline page related to the |offline_url| has been accessed.
   static void MarkPageAccessed(content::BrowserContext* browser_context,
                                const GURL& offline_url);
 
   // Gets the offline page corresponding to the given web contents.  The
   // returned pointer is owned by the web_contents and may be deleted by user
   // navigation, so it is unsafe to store a copy of the returned pointer.
   static const OfflinePageItem* GetOfflinePageFromWebContents(
       content::WebContents* web_contents);
 
+  // Gets the offline header provided when loading the offline page for the
+  // given web contents.
+  static const OfflinePageHeader* GetOfflineHeaderFromWebContents(
+      content::WebContents* web_contents);
+
   // Gets an Android Tab ID from a tab containing |web_contents|. Returns false,
   // when tab is not available. Returns true otherwise and sets |tab_id| to the
   // ID of the tab.
   static bool GetTabId(content::WebContents* web_contents, int* tab_id);
 };
 
 }  // namespace offline_pages
 
 #endif  // CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_UTILS_H_