Refactoring Reload in NavigationManager and CRWWebController.

ios/web/web_state/web_state_impl.mm

 // 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.
 
 #import "ios/web/web_state/web_state_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/logging.h"
@@ skipping 714 matching lines @@
 
 void WebStateImpl::GoToIndex(int index) {
   [web_controller_ goToItemAtIndex:index];
 }
 
 void WebStateImpl::LoadURLWithParams(
     const NavigationManager::WebLoadParams& params) {
   [web_controller_ loadWithParams:params];
 }
 
+void WebStateImpl::Reload() {
+  [web_controller_ reload];
+}
+
 void WebStateImpl::OnNavigationItemsPruned(size_t pruned_item_count) {
   for (auto& observer : observers_)
     observer.NavigationItemsPruned(pruned_item_count);
 }
 
 void WebStateImpl::OnNavigationItemChanged() {
   for (auto& observer : observers_)
     observer.NavigationItemChanged();
 }
 
 void WebStateImpl::OnNavigationItemCommitted(
     const LoadCommittedDetails& load_details) {
   for (auto& observer : observers_)
     observer.NavigationItemCommitted(load_details);
 }
 
 WebState* WebStateImpl::GetWebState() {
   return this;
 }
 
 }  // namespace web