[Clean Skeleton] Migrate code to clean/

ios/clean/chrome/app/steps/tab_grid_coordinator+application_step.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.
 
 // ======                        New Architecture                         =====
 // =         This code is only used in the new iOS Chrome architecture.       =
 // ============================================================================
 
-#import "ios/chrome/app/steps/tab_grid_coordinator+application_step.h"
+#import "ios/clean/chrome/app/steps/tab_grid_coordinator+application_step.h"
 
 #import "base/supports_user_data.h"
-#import "ios/chrome/app/application_state.h"
-#import "ios/chrome/browser/browser_coordinator+internal.h"
+#import "ios/clean/chrome/app/application_state.h"
+#import "ios/clean/chrome/browser/browser_coordinator+internal.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
 // keeps a strong reference to the object it is initialized with.
 class RootCoordinatorContainer : public base::SupportsUserData::Data {
  public:
@@ skipping 47 matching lines @@
 
 - (BOOL)canRunInState:(ApplicationState*)state {
   return state.phase = APPLICATION_TERMINATING;
 }
 
 - (void)runInState:(ApplicationState*)state {
   state.persistentState->RemoveUserData(kRootCoordinatorContainerKey);
 }
 
 @end