Suggestions UI - Add Article items

ios/chrome/browser/ui/suggestions/suggestions_data_source.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.
 
 #import "ios/chrome/browser/ui/suggestions/suggestions_data_source.h"
 
 #import "ios/chrome/browser/ui/collection_view/collection_view_controller.h"
 #import "ios/chrome/browser/ui/collection_view/collection_view_model.h"
+#import "ios/chrome/browser/ui/suggestions/suggestions_article_item.h"
 #import "ios/chrome/browser/ui/suggestions/suggestions_item.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 namespace {
 typedef NS_ENUM(NSInteger, ItemType) {
   ItemTypeText = kItemTypeEnumZero,
   ItemTypeArticle,
   ItemTypeExpand,
 };
 
 }  // namespace
 
 @implementation SuggestionsDataSource {
   NSMutableArray<NSMutableArray<CollectionViewItem*>*>* _items;
 }
 
 @synthesize collectionViewController = _collectionViewController;
 
 - (instancetype)init {
   self = [super init];
   if (self) {
     _items = [NSMutableArray arrayWithCapacity:1];
     for (NSInteger i = 0; i < 3; i++) {
       NSMutableArray<CollectionViewItem*>* arrayToAdd =
           [NSMutableArray arrayWithCapacity:3];
       [arrayToAdd
+          addObject:[[SuggestionsArticleItem alloc]
+                        initWithType:ItemTypeArticle
+                               title:@"Title of an Article"
+                            subtitle:@"This is the subtitle of an article, can "
+                                     @"spawn on multiple lines"
+                               image:[UIImage
+                                         imageNamed:@"distillation_success"]]];
+      [arrayToAdd
           addObject:[[SuggestionsItem alloc] initWithType:ItemTypeText
                                                     title:@"The title"
                                                  subtitle:@"The subtitle"]];
       [_items addObject:arrayToAdd];
     }
   }
   return self;
 }
 
 #pragma mark - Properties
@@ skipping 50 matching lines @@
         [NSIndexPath indexPathForRow:[[_items objectAtIndex:section] count] - 1
                            inSection:section]
       ]];
     }
                                                        completion:^(BOOL){
                                                        }];
   }
 }
 
 @end