Remove "Show saved copy" button from error page

chrome/browser/android/tab_android.h

Index: chrome/browser/android/tab_android.h
diff --git a/chrome/browser/android/tab_android.h b/chrome/browser/android/tab_android.h
index d55f62cdaa37ae434e2ef72506fd37fe19927bdf..021e4b354056b4854300da5c3f44b007c44271bc 100644
--- a/chrome/browser/android/tab_android.h
+++ b/chrome/browser/android/tab_android.h
@@ -122,7 +122,6 @@ class TabAndroid : public CoreTabHelperDelegate,
 
   bool HasOfflinePages() const;
   void ShowOfflinePages();
-  void LoadOfflineCopy(const GURL& url);
 
   // Notifies this TabAndroid that a Lo-Fi response has been received. The
   // TabAndroid then handles showing Lo-Fi UI if this is the first Lo-Fi
@@ -267,8 +266,6 @@ class TabAndroid : public CoreTabHelperDelegate,
  private:
   prerender::PrerenderManager* GetPrerenderManager() const;
 
-  int64_t GetBookmarkIdHelper(bool only_editable) const;
-
   JavaObjectWeakGlobalRef weak_java_tab_;
 
   // The identifier used by session restore for this tab.