Cleanup ContentSuggestions cells

ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_favicon_item.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/chrome/browser/ui/content_suggestions/content_suggestions_favicon_item.h"
+#import "ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_favicon_item.h"
 
 #import <UIKit/UIKit.h>
 
 #include "base/logging.h"
-#import "ios/chrome/browser/ui/content_suggestions/content_suggestions_favicon_internal_cell.h"
+#import "ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_favicon_internal_cell.h"
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 namespace {
 // Space between two cells in the internal collection view.
 const CGFloat kInternalCellSpacing = 40;
 // Width of the cells in the internal collection view.
@@ skipping 112 matching lines @@
 }
 
 #pragma mark - UICollectionViewDelegate
 
 - (void)collectionView:(UICollectionView*)collectionView
     didSelectItemAtIndexPath:(NSIndexPath*)indexPath {
   [self.delegate openFaviconAtIndexPath:indexPath];
 }
 
 @end