Switch to use Navigation events instead of provisional load events

chrome/browser/android/offline_pages/offline_page_tab_helper.h

Index: chrome/browser/android/offline_pages/offline_page_tab_helper.h
diff --git a/chrome/browser/android/offline_pages/offline_page_tab_helper.h b/chrome/browser/android/offline_pages/offline_page_tab_helper.h
index 23391974e910989f2a0f14fcde7d4a71eaa48df9..041e510054c743c2026db25a37fff257ea7a93e7 100644
--- a/chrome/browser/android/offline_pages/offline_page_tab_helper.h
+++ b/chrome/browser/android/offline_pages/offline_page_tab_helper.h
@@ -33,12 +33,8 @@ class OfflinePageTabHelper :
   // Overridden from content::WebContentsObserver:
   void DidStartNavigation(
       content::NavigationHandle* navigation_handle) override;
-  void DidFailProvisionalLoad(
-      content::RenderFrameHost* render_frame_host,
-      const GURL& validated_url,
-      int error_code,
-      const base::string16& error_description,
-      bool was_ignored_by_handler) override;
+  void DidFinishNavigation(
+      content::NavigationHandle* navigation_handle) override;
 
   void RedirectFromOfflineToOnline(const GURL& online_url);
   void RedirectFromOnlineToOffline(const GURL& offline_url);