Add "SHOW ALL SAVED PAGES" button to offline error page

chrome/renderer/net/net_error_helper.h

Index: chrome/renderer/net/net_error_helper.h
diff --git a/chrome/renderer/net/net_error_helper.h b/chrome/renderer/net/net_error_helper.h
index 3d4f53551e01e637e370c3c7fa6f9b1c15e38e1a..b7aad4daa2fabd2f7110f9c6ba70cec082081b3a 100644
--- a/chrome/renderer/net/net_error_helper.h
+++ b/chrome/renderer/net/net_error_helper.h
@@ -82,16 +82,19 @@ class NetErrorHelper
       const blink::WebURLError& error,
       bool is_failed_post,
       bool can_use_local_diagnostics_service,
+      bool has_offline_pages,
       scoped_ptr<error_page::ErrorPageParams> params,
       bool* reload_button_shown,
       bool* show_saved_copy_button_shown,
       bool* show_cached_copy_button_shown,
+      bool* show_saved_pages_button_shown,
       std::string* html) const override;
   void LoadErrorPage(const std::string& html, const GURL& failed_url) override;
   void EnablePageHelperFunctions() override;
   void UpdateErrorPage(const blink::WebURLError& error,
                        bool is_failed_post,
-                       bool can_use_local_diagnostics_service) override;
+                       bool can_use_local_diagnostics_service,
+                       bool has_offline_pages) override;
   void FetchNavigationCorrections(
       const GURL& navigation_correction_url,
       const std::string& navigation_correction_request_body) override;
@@ -101,6 +104,7 @@ class NetErrorHelper
   void ReloadPage() override;
   void LoadPageFromCache(const GURL& page_url) override;
   void DiagnoseError(const GURL& page_url) override;
+  void ShowOfflinePages() override;
 
   void OnNetErrorInfo(int status);
   void OnSetCanShowNetworkDiagnosticsDialog(
@@ -116,6 +120,7 @@ class NetErrorHelper
 
   void OnTrackingRequestComplete(const blink::WebURLResponse& response,
                                  const std::string& data);
+  void OnSetHasOfflinePages(bool has_offline_pages);
 
   scoped_ptr<content::ResourceFetcher> correction_fetcher_;
   scoped_ptr<content::ResourceFetcher> tracking_fetcher_;