[iOS] Refactoring web CRWSessionController user agent code.

ios/web/web_state/ui/crw_web_controller_unittest.mm

 // 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.
 
 #import "ios/web/web_state/ui/crw_web_controller.h"
 
 #import <WebKit/WebKit.h>
 
 #include <utility>
 
@@ skipping 200 matching lines @@
         initWithRepresentedObject:originalMockDelegate]);
     [web_controller() setDelegate:mockDelegate_];
     base::scoped_nsobject<TestWebViewContentView> webViewContentView(
         [[TestWebViewContentView alloc] initWithMockWebView:mockWebView_
                                                  scrollView:mockScrollView_]);
     [web_controller() injectWebViewContentView:webViewContentView];
 
     NavigationManagerImpl& navigationManager =
         [web_controller() webStateImpl]->GetNavigationManagerImpl();
     navigationManager.InitializeSession(@"name", nil, NO, 0);
-    [navigationManager.GetSessionController()
-           addPendingItem:GURL("http://www.google.com/?q=foo#bar")
-                 referrer:web::Referrer()
-               transition:ui::PAGE_TRANSITION_TYPED
-        rendererInitiated:NO];
+    navigationManager.AddPendingItem(
+        GURL("http://www.google.com/?q=foo#bar"), web::Referrer(),
+        ui::PAGE_TRANSITION_TYPED,
+        web::NavigationInitiationType::USER_INITIATED);
   }
 
   void TearDown() override {
     EXPECT_OCMOCK_VERIFY(mockDelegate_);
     EXPECT_OCMOCK_VERIFY(mockChildWebController_);
     EXPECT_OCMOCK_VERIFY(mockWebView_);
     [web_controller() resetInjectedWebViewContentView];
     [web_controller() setDelegate:nil];
     web::WebTestWithWebController::TearDown();
   }
@@ skipping 567 matching lines @@
   void SetUp() override {
     web::WebTestWithWebController::SetUp();
     mock_native_provider_.reset([[TestNativeContentProvider alloc] init]);
     [web_controller() setNativeProvider:mock_native_provider_];
   }
 
   void Load(const GURL& URL) {
     NavigationManagerImpl& navigation_manager =
         [web_controller() webStateImpl]->GetNavigationManagerImpl();
     navigation_manager.InitializeSession(@"name", nil, NO, 0);
-    [navigation_manager.GetSessionController()
-           addPendingItem:URL
-                 referrer:web::Referrer()
-               transition:ui::PAGE_TRANSITION_TYPED
-        rendererInitiated:NO];
+    navigation_manager.AddPendingItem(
+        URL, web::Referrer(), ui::PAGE_TRANSITION_TYPED,
+        web::NavigationInitiationType::USER_INITIATED);
     [web_controller() loadCurrentURL];
   }
 
   base::scoped_nsobject<TestNativeContentProvider> mock_native_provider_;
 };
 
 // Tests WebState and NavigationManager correctly return native content URL.
 TEST_F(CRWWebControllerNativeContentTest, NativeContentURL) {
   GURL url_to_load(kTestAppSpecificURL);
   base::scoped_nsobject<TestNativeContent> content(
@@ skipping 227 matching lines @@
   };
 
   RenderProcessGoneObserver observer(web_state());
   web::SimulateWKWebViewCrash(webView_);
   observer.WaitForRenderProcessGone();
 
   EXPECT_FALSE([web_controller() isViewAlive]);
 };
 
 }  // namespace