Refactoring Reload in NavigationManager and CRWWebController.

ios/web/web_state/web_state_impl.h

 // Copyright 2013 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 IOS_WEB_WEB_STATE_WEB_STATE_IMPL_H_
 #define IOS_WEB_WEB_STATE_WEB_STATE_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 265 matching lines @@
   void OnAuthRequired(NSURLProtectionSpace* protection_space,
                       NSURLCredential* proposed_credential,
                       const WebStateDelegate::AuthCallback& callback);
 
   // Cancels all dialogs associated with this web_state.
   void CancelDialogs();
 
   // NavigationManagerDelegate:
   void GoToIndex(int index) override;
   void LoadURLWithParams(const NavigationManager::WebLoadParams&) override;
+  void Reload() override;
   void OnNavigationItemsPruned(size_t pruned_item_count) override;
   void OnNavigationItemChanged() override;
   void OnNavigationItemCommitted(
       const LoadCommittedDetails& load_details) override;
 
   // Updates the HTTP response headers for the main page using the headers
   // passed to the OnHttpResponseHeadersReceived() function below.
   // GetHttpResponseHeaders() can be used to get the headers.
   void UpdateHttpResponseHeaders(const GURL& url);
 
@@ skipping 74 matching lines @@
 
   // Mojo interface registry for this WebState.
   std::unique_ptr<service_manager::InterfaceRegistry> mojo_interface_registry_;
 
   DISALLOW_COPY_AND_ASSIGN(WebStateImpl);
 };
 
 }  // namespace web
 
 #endif  // IOS_WEB_WEB_STATE_WEB_STATE_IMPL_H_