[ios clean] Use dispatcher for showing TabStrip

ios/clean/chrome/browser/ui/toolbar/toolbar_view_controller.h

 // Copyright 2016 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.
 
 #ifndef IOS_CLEAN_CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_VIEW_CONTROLLER_H_
 #define IOS_CLEAN_CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_VIEW_CONTROLLER_H_
 
 #import <UIKit/UIKit.h>
 
 #import "ios/clean/chrome/browser/ui/animators/zoom_transition_delegate.h"
 #import "ios/clean/chrome/browser/ui/toolbar/toolbar_consumer.h"
 
 @protocol NavigationCommands;
 @protocol TabGridCommands;
+@protocol TabStripCommands;
 @protocol ToolsMenuCommands;
 
 // View controller for a toolbar, which will show a horizontal row of
 // controls and/or labels.
 // This view controller will fill its container; it is up to the containing
 // view controller or presentation controller to configure an appropriate
 // height for it.
 @interface ToolbarViewController
     : UIViewController<ZoomTransitionDelegate, ToolbarConsumer>
 
+- (instancetype)initWithDispatcher:(id<NavigationCommands,
+                                       TabGridCommands,
+                                       TabStripCommands,
+                                       ToolsMenuCommands>)dispatcher;
+
 // The dispatcher for this view controller
 @property(nonatomic, weak)
-    id<NavigationCommands, TabGridCommands, ToolsMenuCommands>
+    id<NavigationCommands, TabGridCommands, TabStripCommands, ToolsMenuCommands>
         dispatcher;
 
 @property(nonatomic, strong) UIViewController* locationBarViewController;
 
 @end
 
 #endif  // IOS_CLEAN_CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_VIEW_CONTROLLER_H_