Move the ContentSuggestions items to a new target

ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_item.h

 // 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.
 
 #ifndef IOS_CHROME_BROWSER_UI_CONTENT_SUGGESTIONS_CELLS_CONTENT_SUGGESTIONS_ITEM_H_
 #define IOS_CHROME_BROWSER_UI_CONTENT_SUGGESTIONS_CELLS_CONTENT_SUGGESTIONS_ITEM_H_
 
 #import "ios/chrome/browser/ui/collection_view/cells/collection_view_item.h"
 #import "ios/chrome/browser/ui/content_suggestions/cells/suggested_content.h"
-#import "ios/third_party/material_components_ios/src/components/CollectionCells/src/MaterialCollectionCells.h"
 
 namespace base {
 class Time;
 }
 
-@class ContentSuggestionsItem;
 @class FaviconAttributes;
-@class FaviconViewNew;
 class GURL;
 
 // Item for an article in the suggestions.
 @interface ContentSuggestionsItem : CollectionViewItem<SuggestedContent>
 
 // Initialize an article with a |title|, a |subtitle|, an |image| and the |url|
 // to the full article. |type| is the type of the item.
 - (instancetype)initWithType:(NSInteger)type
                        title:(NSString*)title
                     subtitle:(NSString*)subtitle
                          url:(const GURL&)url NS_DESIGNATED_INITIALIZER;
 
 - (instancetype)initWithType:(NSInteger)type NS_UNAVAILABLE;
 
 @property(nonatomic, copy, readonly) NSString* title;
 @property(nonatomic, readonly, assign) GURL URL;
 @property(nonatomic, copy) NSString* publisher;
 @property(nonatomic, assign) base::Time publishDate;
 // Whether the suggestion has an image associated.
 @property(nonatomic, assign) BOOL hasImage;
 // Whether the suggestion is available offline. If YES, an icon is displayed.
 @property(nonatomic, assign) BOOL availableOffline;
 
 @end
 
-// Corresponding cell for an article in the suggestions.
-@interface ContentSuggestionsCell : MDCCollectionViewCell
-
-@property(nonatomic, readonly, strong) UILabel* titleLabel;
-// View for displaying the favicon.
-@property(nonatomic, readonly, strong) FaviconViewNew* faviconView;
-// Whether the image should be displayed.
-@property(nonatomic, assign) BOOL displayImage;
-
-// Sets an |image| to illustrate the article, replacing the "no image" icon.
-- (void)setContentImage:(UIImage*)image;
-
-// Sets the publisher |name| and |date| and add an icon to signal the offline
-// availability if |availableOffline| is YES.
-- (void)setAdditionalInformationWithPublisherName:(NSString*)publisherName
-                                             date:(base::Time)publishDate
-                              offlineAvailability:(BOOL)availableOffline;
-
-// Setst the subtitle text. If |subtitle| is nil, the space taken by the
-// subtitle is removed.
-- (void)setSubtitleText:(NSString*)subtitle;
-
-@end
-
 #endif  // IOS_CHROME_BROWSER_UI_CONTENT_SUGGESTIONS_CELLS_CONTENT_SUGGESTIONS_ITEM_H_