Add CommandDispatcher to BrowserViewController.

ios/chrome/browser/ui/ntp/new_tab_page_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/chrome/browser/ui/ntp/new_tab_page_controller.h"
 
 #include <memory>
 
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 84 matching lines @@
                  browserState:chrome_browser_state_.get()];
     controller_ =
         [[NewTabPageController alloc] initWithUrl:url
                                            loader:nil
                                           focuser:nil
                                       ntpObserver:nil
                                      browserState:chrome_browser_state_.get()
                                        colorCache:nil
                                webToolbarDelegate:nil
                                          tabModel:tabModel_
-                             parentViewController:parentViewController_];
+                             parentViewController:parentViewController_
+                                       dispatcher:nil];
 
     incognitoController_ = [[NewTabPageController alloc]
                  initWithUrl:url
                       loader:nil
                      focuser:nil
                  ntpObserver:nil
                 browserState:chrome_browser_state_
                                  ->GetOffTheRecordChromeBrowserState()
                   colorCache:nil
           webToolbarDelegate:nil
                     tabModel:nil
-        parentViewController:parentViewController_];
+        parentViewController:parentViewController_
+                  dispatcher:nil];
   };
 
   void TearDown() override {
     incognitoController_ = nil;
     controller_ = nil;
     parentViewController_ = nil;
     [tabModel_ browserStateDestroyed];
     tabModel_ = nil;
 
     // There may be blocks released below that have weak references to |profile|
@@ skipping 94 matching lines @@
   EXPECT_EQ("open_tabs",
             NewTabPage::FragmentFromIdentifier(NewTabPage::kOpenTabsPanel));
   EXPECT_EQ("", NewTabPage::FragmentFromIdentifier(NewTabPage::kNone));
   EXPECT_EQ(NewTabPage::kBookmarksPanel,
             NewTabPage::IdentifierFromFragment("bookmarks"));
   EXPECT_EQ(NewTabPage::kNone, NewTabPage::IdentifierFromFragment("garbage"));
   EXPECT_EQ(NewTabPage::kNone, NewTabPage::IdentifierFromFragment(""));
 }
 
 }  // anonymous namespace