Add CommandDispatcher to BrowserViewController.

ios/chrome/browser/ui/ntp/google_landing_controller_unittest.mm

Index: ios/chrome/browser/ui/ntp/google_landing_controller_unittest.mm
diff --git a/ios/chrome/browser/ui/ntp/google_landing_controller_unittest.mm b/ios/chrome/browser/ui/ntp/google_landing_controller_unittest.mm
index f8773537c3282b3c1acb39cad3427fcff8873a22..d61c87016c764dcbb2e267371380aeba8c18b697 100644
--- a/ios/chrome/browser/ui/ntp/google_landing_controller_unittest.mm
+++ b/ios/chrome/browser/ui/ntp/google_landing_controller_unittest.mm
@@ -59,12 +59,10 @@ class GoogleLandingControllerTest : public BlockCleanupTest {
     controller_ = [[GoogleLandingController alloc] init];
     webStateList_ = base::MakeUnique<WebStateList>(&webStateListDelegate_);
     mediator_ = [[GoogleLandingMediator alloc]
-          initWithConsumer:controller_
-              browserState:chrome_browser_state_.get()
-                    loader:(id<UrlLoader>)mockUrlLoader_
-                   focuser:nil
-        webToolbarDelegate:nil
-              webStateList:webStateList_.get()];
+        initWithConsumer:controller_
+            browserState:chrome_browser_state_.get()
+              dispatcher:nil
+            webStateList:webStateList_.get()];
   };
 
   void TearDown() override { [mediator_ shutdown]; }