Add CommandDispatcher to BrowserViewController.

ios/chrome/browser/ui/ntp/google_landing_controller.h

Index: ios/chrome/browser/ui/ntp/google_landing_controller.h
diff --git a/ios/chrome/browser/ui/ntp/google_landing_controller.h b/ios/chrome/browser/ui/ntp/google_landing_controller.h
index af2352d2bfda86d6f5f54cd1dbcb5fea0d24ab34..4b3325861c27316e2d0a85d3920c2bb6984d74c0 100644
--- a/ios/chrome/browser/ui/ntp/google_landing_controller.h
+++ b/ios/chrome/browser/ui/ntp/google_landing_controller.h
@@ -14,7 +14,10 @@
 #import "ios/chrome/browser/ui/toolbar/toolbar_owner.h"
 #import "ios/public/provider/chrome/browser/voice/logo_animation_controller.h"
 
+@protocol GoogleLandingCommands;
 @protocol GoogleLandingDataSource;
+@protocol OmniboxFocuser;
+@protocol UrlLoader;
 
 // Google centric new tab page.
 @interface GoogleLandingController
@@ -25,6 +28,10 @@
 
 @property(nonatomic, assign) id<GoogleLandingDataSource> dataSource;
 
+@property(nonatomic, assign)
+    id<GoogleLandingCommands, UrlLoader, OmniboxFocuser>
+        dispatcher;
+
 @end
 
 #endif  // IOS_CHROME_BROWSER_UI_NTP_GOOGLE_LANDING_CONTROLLER_H_