Move ios/ui/suggestions to ios/ui/content_suggestions

ios/chrome/browser/ui/suggestions/suggestions_collection_updater.h

-// 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.
-
-#ifndef IOS_CHROME_BROWSER_UI_SUGGESTIONS_SUGGESTIONS_COLLECTION_UPDATER_H_
-#define IOS_CHROME_BROWSER_UI_SUGGESTIONS_SUGGESTIONS_COLLECTION_UPDATER_H_
-
-#import <UIKit/UIKit.h>
-
-#import "ios/chrome/browser/ui/collection_view/collection_view_model.h"
-
-@class SuggestionsViewController;
-
-// Enum defining the ItemType of this SuggestionsCollectionUpdater.
-typedef NS_ENUM(NSInteger, ItemType) {
-  ItemTypeText = kItemTypeEnumZero,
-  ItemTypeArticle,
-  ItemTypeExpand,
-  ItemTypeStack,
-  ItemTypeFavicon,
-};
-
-// Updater for a CollectionViewController populating it with some items and
-// handling the items addition.
-@interface SuggestionsCollectionUpdater : NSObject
-
-// |collectionViewController| this Updater will update. Needs to be set before
-// adding items.
-@property(nonatomic, assign)
-    SuggestionsViewController* collectionViewController;
-
-// Adds a text item with a |title| and a |subtitle| in the section numbered
-// |section|. If |section| is greater than the current number of section, it
-// will add a new section at the end.
-- (void)addTextItem:(NSString*)title
-           subtitle:(NSString*)subtitle
-          toSection:(NSInteger)inputSection;
-
-// Returns whether the section should use the default, non-card style.
-- (BOOL)shouldUseCustomStyleForSection:(NSInteger)section;
-
-@end
-
-#endif  // IOS_CHROME_BROWSER_UI_SUGGESTIONS_SUGGESTIONS_COLLECTION_UPDATER_H_