[ios clean] Move dispatcher out of Browser.

ios/clean/chrome/app/steps/root_coordinator+application_step.mm

 // Copyright 2017 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/app/steps/root_coordinator+application_step.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/supports_user_data.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #import "ios/chrome/browser/web_state_list/web_state_list.h"
 #import "ios/clean/chrome/app/application_state.h"
 #import "ios/shared/chrome/browser/ui/browser_list/browser.h"
 #import "ios/shared/chrome/browser/ui/browser_list/browser_list.h"
 #import "ios/shared/chrome/browser/ui/browser_list/browser_list_session_service.h"
 #import "ios/shared/chrome/browser/ui/browser_list/browser_list_session_service_factory.h"
+#import "ios/shared/chrome/browser/ui/commands/command_dispatcher.h"
 #import "ios/shared/chrome/browser/ui/coordinators/browser_coordinator+internal.h"
 #import "ios/web/public/navigation_manager.h"
 #include "ios/web/public/web_state/web_state.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 namespace {
 // SupportsUserData storage container for a BrowserCoordinator object, which
@@ skipping 17 matching lines @@
 
 @implementation RootCoordinator (ApplicationStep)
 
 - (BOOL)canRunInState:(ApplicationState*)state {
   return [state.window isKeyWindow] && state.phase == APPLICATION_FOREGROUNDED;
 }
 
 - (void)runInState:(ApplicationState*)state {
   self.browser =
       BrowserList::FromBrowserState(state.browserState)->CreateNewBrowser();
+  self.dispatcher = [[CommandDispatcher alloc] init];
 
   BrowserListSessionService* service =
       BrowserListSessionServiceFactory::GetForBrowserState(state.browserState);
 
   if (!service || !service->RestoreSession()) {
     WebStateList& webStateList = self.browser->web_state_list();
     web::WebState::CreateParams webStateCreateParams(
         self.browser->browser_state());
     webStateList.InsertWebState(0, web::WebState::Create(webStateCreateParams));
     webStateList.ActivateWebStateAt(0);
@@ skipping 27 matching lines @@
 
 - (BOOL)canRunInState:(ApplicationState*)state {
   return state.phase = APPLICATION_TERMINATING;
 }
 
 - (void)runInState:(ApplicationState*)state {
   state.persistentState->RemoveUserData(kRootCoordinatorContainerKey);
 }
 
 @end