[ios clean] Use dispatcher for showing TabStrip

ios/clean/chrome/browser/ui/toolbar/toolbar_coordinator.mm

 // 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.
 
 #import "ios/clean/chrome/browser/ui/toolbar/toolbar_coordinator.h"
 
 #import "ios/clean/chrome/browser/ui/commands/tools_menu_commands.h"
 #import "ios/clean/chrome/browser/ui/omnibox/location_bar_coordinator.h"
 #import "ios/clean/chrome/browser/ui/toolbar/toolbar_mediator.h"
 #import "ios/clean/chrome/browser/ui/toolbar/toolbar_view_controller.h"
@@ skipping 30 matching lines @@
   }
   return self;
 }
 
 - (void)setWebState:(web::WebState*)webState {
   _webState = webState;
   self.mediator.webState = self.webState;
 }
 
 - (void)start {
-  self.viewController = [[ToolbarViewController alloc] init];
+  self.viewController = [[ToolbarViewController alloc]
+      initWithDispatcher:static_cast<id>(self.browser->dispatcher())];
 
   CommandDispatcher* dispatcher = self.browser->dispatcher();
   [dispatcher startDispatchingToTarget:self
                            forSelector:@selector(showToolsMenu)];
   [dispatcher startDispatchingToTarget:self
                            forSelector:@selector(closeToolsMenu)];
   [dispatcher startDispatchingToTarget:self forSelector:@selector(goBack)];
   [dispatcher startDispatchingToTarget:self forSelector:@selector(goForward)];
   [dispatcher startDispatchingToTarget:self forSelector:@selector(reloadPage)];
   [dispatcher startDispatchingToTarget:self
                            forSelector:@selector(stopLoadingPage)];
 
-  self.viewController.dispatcher = static_cast<id>(self.browser->dispatcher());
   self.mediator.consumer = self.viewController;
   self.mediator.webStateList = &self.browser->web_state_list();
 
   [self.browser->broadcaster()
       addObserver:self.mediator
       forSelector:@selector(broadcastTabStripVisible:)];
   LocationBarCoordinator* locationBarCoordinator =
       [[LocationBarCoordinator alloc] init];
   self.locationBarCoordinator = locationBarCoordinator;
   [self addChildCoordinator:locationBarCoordinator];
@@ skipping 66 matching lines @@
 - (void)stopLoadingPage {
   self.webState->Stop();
 }
 
 - (void)reloadPage {
   self.webState->GetNavigationManager()->Reload(web::ReloadType::NORMAL,
                                                 false /*check_for_repost*/);
 }
 
 @end