Add CommandDispatcher to BrowserViewController.

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

Index: ios/chrome/browser/ui/ntp/new_tab_page_toolbar_controller.h
diff --git a/ios/chrome/browser/ui/ntp/new_tab_page_toolbar_controller.h b/ios/chrome/browser/ui/ntp/new_tab_page_toolbar_controller.h
index 52992d76c16753744f03126a88988624d30dd455..cd3d6a3d4e68fadca394a5c334ae4f2035adee7e 100644
--- a/ios/chrome/browser/ui/ntp/new_tab_page_toolbar_controller.h
+++ b/ios/chrome/browser/ui/ntp/new_tab_page_toolbar_controller.h
@@ -7,7 +7,11 @@
 
 #import "ios/chrome/browser/ui/toolbar/toolbar_controller.h"
 
+@protocol GoogleLandingCommands;
 @protocol GoogleLandingDataSource;
+@protocol UrlLoader;
+@protocol OmniboxFocuser;
+@protocol WebToolbarDelegate;
 
 // New tab page specific toolbar. The background view is hidden and the
 // navigation buttons are also hidden if there is no forward history. Does not
@@ -17,8 +21,11 @@
 
 // Designated initializer. The underlying ToolbarController is initialized with
 // ToolbarControllerStyleLightMode.
-- (instancetype)initWithToolbarDataSource:
-    (id<GoogleLandingDataSource>)dataSource;
+- (instancetype)initWithToolbar;
+
+@property(nonatomic, assign)
+    id<GoogleLandingCommands, UrlLoader, OmniboxFocuser, WebToolbarDelegate>
+        dispatcher;
 
 @end