Navigation: move RestoreType and ReloadType into a separate file

chrome/browser/net/net_error_tab_helper.h

 // Copyright (c) 2012 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_NET_NET_ERROR_TAB_HELPER_H_
 #define CHROME_BROWSER_NET_NET_ERROR_TAB_HELPER_H_
 
 #include <string>
 
 #include "base/bind.h"
@@ skipping 35 matching lines @@
   void set_dns_probe_status_snoop_callback_for_testing(
       const DnsProbeStatusSnoopCallback& dns_probe_status_snoop_callback) {
     dns_probe_status_snoop_callback_ = dns_probe_status_snoop_callback;
   }
 
   // content::WebContentsObserver implementation.
   void RenderFrameCreated(content::RenderFrameHost* render_frame_host) override;
 
   void DidStartNavigationToPendingEntry(
       const GURL& url,
-      content::NavigationController::ReloadType reload_type) override;
+      content::ReloadType reload_type) override;
 
   void DidStartProvisionalLoadForFrame(
       content::RenderFrameHost* render_frame_host,
       const GURL& validated_url,
       bool is_error_page,
       bool is_iframe_srcdoc) override;
 
   void DidCommitProvisionalLoadForFrame(
       content::RenderFrameHost* render_frame_host,
       const GURL& url,
@@ skipping 68 matching lines @@
   BooleanPrefMember resolve_errors_with_web_service_;
 
   base::WeakPtrFactory<NetErrorTabHelper> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NetErrorTabHelper);
 };
 
 }  // namespace chrome_browser_net
 
 #endif  // CHROME_BROWSER_NET_NET_ERROR_TAB_HELPER_H_