Navigation: move RestoreType and ReloadType into a separate file

chrome/browser/ui/omnibox/chrome_omnibox_navigation_observer.h

 // Copyright 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_UI_OMNIBOX_CHROME_OMNIBOX_NAVIGATION_OBSERVER_H_
 #define CHROME_BROWSER_UI_OMNIBOX_CHROME_OMNIBOX_NAVIGATION_OBSERVER_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 63 matching lines @@
   bool HasSeenPendingLoad() const override;
 
   // content::NotificationObserver:
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   // content::WebContentsObserver:
   void DidStartNavigationToPendingEntry(
       const GURL& url,
-      content::NavigationController::ReloadType reload_type) override;
+      content::ReloadType reload_type) 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 NavigationEntryCommitted(
       const content::LoadCommittedDetails& load_details) override;
   void WebContentsDestroyed() override;
 
   // net::URLFetcherDelegate:
@@ skipping 10 matching lines @@
   std::unique_ptr<net::URLFetcher> fetcher_;
   LoadState load_state_;
   FetchState fetch_state_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeOmniboxNavigationObserver);
 };
 
 #endif  // CHROME_BROWSER_UI_OMNIBOX_CHROME_OMNIBOX_NAVIGATION_OBSERVER_H_