Add CommandDispatcher to BrowserViewController.

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

Index: ios/chrome/browser/ui/ntp/new_tab_page_controller_unittest.mm
diff --git a/ios/chrome/browser/ui/ntp/new_tab_page_controller_unittest.mm b/ios/chrome/browser/ui/ntp/new_tab_page_controller_unittest.mm
index 0c54bfe52ac90faa51448bd2db84da3eca89c54e..2314916466bf0a6f944a1ac9db346b815501ddf0 100644
--- a/ios/chrome/browser/ui/ntp/new_tab_page_controller_unittest.mm
+++ b/ios/chrome/browser/ui/ntp/new_tab_page_controller_unittest.mm
@@ -102,7 +102,8 @@ class NewTabPageControllerTest : public BlockCleanupTest {
                                        colorCache:nil
                                webToolbarDelegate:nil
                                          tabModel:tabModel_
-                             parentViewController:parentViewController_];
+                             parentViewController:parentViewController_
+                                       dispatcher:nil];
 
     incognitoController_ = [[NewTabPageController alloc]
                  initWithUrl:url
@@ -114,7 +115,8 @@ class NewTabPageControllerTest : public BlockCleanupTest {
                   colorCache:nil
           webToolbarDelegate:nil
                     tabModel:nil
-        parentViewController:parentViewController_];
+        parentViewController:parentViewController_
+                  dispatcher:nil];
   };
 
   void TearDown() override {