Converted CRWSessionController to use NavigationItems.

ios/web/interstitials/web_interstitial_impl.mm

 // Copyright 2015 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/interstitials/web_interstitial_impl.h"
 
 #include "base/logging.h"
 #include "ios/web/interstitials/web_interstitial_facade_delegate.h"
 #import "ios/web/navigation/crw_session_controller.h"
 #import "ios/web/navigation/navigation_manager_impl.h"
@@ skipping 46 matching lines @@
 void WebInterstitialImpl::Show() {
   PrepareForDisplay();
   GetWebStateImpl()->ShowWebInterstitial(this);
 
   if (new_navigation_) {
     // TODO(stuartmorgan): Plumb transient entry handling through
     // NavigationManager, and remove the NavigationManagerImpl and
     // SessionController usage here.
     CRWSessionController* sessionController =
         navigation_manager_->GetSessionController();
-    [sessionController addTransientEntryWithURL:url_];
+    [sessionController addTransientItemWithURL:url_];
 
     // Give delegates a chance to set some states on the navigation item.
     GetDelegate()->OverrideItem(navigation_manager_->GetTransientItem());
   }
 }
 
 void WebInterstitialImpl::Hide() {
   GetWebStateImpl()->ClearTransientContentView();
 }
 
@@ skipping 30 matching lines @@
 
 void WebInterstitialImpl::WebStateDestroyed() {
   DontProceed();
 }
 
 WebStateImpl* WebInterstitialImpl::GetWebStateImpl() const {
   return static_cast<web::WebStateImpl*>(web_state());
 }
 
 }  // namespace web