[Clean Skeleton] Migrate code to clean/

ios/clean/chrome/browser/ui/tab_grid/tab_grid_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.
 
 // ======                        New Architecture                         =====
 // =         This code is only used in the new iOS Chrome architecture.       =
 // ============================================================================
 
-#import "ios/chrome/browser/ui/tab_grid/tab_grid_coordinator.h"
+#import "ios/clean/chrome/browser/ui/tab_grid/tab_grid_coordinator.h"
 
 #include <memory>
 
 #include "base/strings/sys_string_conversions.h"
-#import "ios/chrome/browser/browser_coordinator+internal.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
-#import "ios/chrome/browser/ui/commands/settings_commands.h"
-#import "ios/chrome/browser/ui/commands/tab_commands.h"
-#import "ios/chrome/browser/ui/commands/tab_grid_commands.h"
-#import "ios/chrome/browser/ui/settings/settings_coordinator.h"
-#import "ios/chrome/browser/ui/tab/tab_coordinator.h"
-#import "ios/chrome/browser/ui/tab_grid/tab_grid_view_controller.h"
+#import "ios/clean/chrome/browser/browser_coordinator+internal.h"
+#import "ios/clean/chrome/browser/ui/commands/settings_commands.h"
+#import "ios/clean/chrome/browser/ui/commands/tab_commands.h"
+#import "ios/clean/chrome/browser/ui/commands/tab_grid_commands.h"
+#import "ios/clean/chrome/browser/ui/settings/settings_coordinator.h"
+#import "ios/clean/chrome/browser/ui/tab/tab_coordinator.h"
+#import "ios/clean/chrome/browser/ui/tab_grid/tab_grid_view_controller.h"
 #import "ios/web/public/navigation_manager.h"
 #include "ios/web/public/web_state/web_state.h"
 #import "net/base/mac/url_conversions.h"
 #include "ui/base/page_transition_types.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 @interface TabGridCoordinator ()<TabGridDataSource,
@@ skipping 98 matching lines @@
   params.transition_type = ui::PAGE_TRANSITION_LINK;
   _placeholderWebState->GetNavigationManager()->LoadURLWithParams(params);
   if (!self.children.count) {
     // Placeholder — since there's only one tab in the grid, just open
     // the tab at index path (0,0).
     [self showTabAtIndexPath:[NSIndexPath indexPathForItem:0 inSection:0]];
   }
 }
 
 @end