Showing previews UI for Offline Previews

chrome/browser/android/offline_pages/offline_page_tab_helper.h

 // Copyright 2016 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_TAB_HELPER_H_
 #define CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_TAB_HELPER_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
@@ skipping 24 matching lines @@
 
   const OfflinePageItem* offline_page() {
     return offline_info_.offline_page.get();
   }
 
   const OfflinePageHeader& offline_header() const {
     return offline_info_.offline_header;
   }
 
   // Whether the page is an offline preview.
-  bool is_offline_preview() const { return offline_info_.is_offline_preview; }
+  bool IsShowingOfflinePreview() const;
 
   // Returns provisional offline page since actual navigation does not happen
   // during unit tests.
   const OfflinePageItem* GetOfflinePageForTest() const;
 
  private:
   friend class content::WebContentsUserData<OfflinePageTabHelper>;
 
   // Contains the info about the offline page being loaded.
   struct LoadedOfflinePageInfo {
     LoadedOfflinePageInfo();
     ~LoadedOfflinePageInfo();
 
     // The cached copy of OfflinePageItem.
     std::unique_ptr<OfflinePageItem> offline_page;
 
     // The offline header that is provided when offline page is loaded.
     OfflinePageHeader offline_header;
 
     // Whether the page is an offline preview. Offline page previews are shown
     // when a user's effective connection type is prohibitively slow.
-    bool is_offline_preview;
+    bool is_showing_offline_preview;
 
     void Clear();
   };
 
   explicit OfflinePageTabHelper(content::WebContents* web_contents);
 
   // Overridden from content::WebContentsObserver:
   void DidStartNavigation(
       content::NavigationHandle* navigation_handle) override;
   void DidFinishNavigation(
@@ skipping 15 matching lines @@
   bool reloading_url_on_net_error_ = false;
 
   base::WeakPtrFactory<OfflinePageTabHelper> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OfflinePageTabHelper);
 };
 
 }  // namespace offline_pages
 
 #endif  // CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_TAB_HELPER_H_