Add an ID to the ContentSuggestion

ios/chrome/browser/ui/content_suggestions/content_suggestions_collection_updater.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/content_suggestions/content_suggestions_collection_updater.h"
 
 #include "base/logging.h"
 #include "base/mac/foundation_util.h"
 #include "base/time/time.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/content_suggestions/content_suggestion.h"
+#import "ios/chrome/browser/ui/content_suggestions/content_suggestion_identifier.h"
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestions_article_item.h"
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestions_data_sink.h"
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestions_data_source.h"
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestions_expandable_item.h"
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestions_favicon_item.h"
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestions_section_information.h"
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestions_stack_item.h"
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestions_text_item.h"
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestions_view_controller.h"
 #include "url/gurl.h"
@@ skipping 119 matching lines @@
 #pragma mark - Private methods
 
 - (void)reloadData {
   [self resetModels];
   CollectionViewModel* model =
       self.collectionViewController.collectionViewModel;
 
   NSArray<ContentSuggestion*>* suggestions = [self.dataSource allSuggestions];
 
   for (ContentSuggestion* suggestion in suggestions) {
-    NSInteger sectionIdentifier = [self addSectionIfNeeded:suggestion.section];
+    NSInteger sectionIdentifier =
+        [self addSectionIfNeeded:suggestion.suggestionIdentifier.sectionInfo];
     ContentSuggestionsArticleItem* articleItem =
         [[ContentSuggestionsArticleItem alloc]
             initWithType:ItemTypeForContentSuggestionType(suggestion.type)
                    title:suggestion.title
                 subtitle:suggestion.text
                    image:suggestion.image
                      url:suggestion.url];
+
     articleItem.publisher = suggestion.publisher;
     articleItem.publishDate = suggestion.publishDate;
 
+    articleItem.suggestionIdentifier = suggestion.suggestionIdentifier;
+
     [model addItem:articleItem toSectionWithIdentifier:sectionIdentifier];
   }
 
   if ([self.collectionViewController isViewLoaded]) {
     [self.collectionViewController.collectionView reloadData];
   }
 }
 
 - (NSInteger)addSectionIfNeeded:
     (ContentSuggestionsSectionInformation*)sectionInformation {
@@ skipping 10 matching lines @@
   }
   return sectionIdentifier;
 }
 
 - (void)resetModels {
   [self.collectionViewController loadModel];
   self.sectionInfoBySectionIdentifier = [[NSMutableDictionary alloc] init];
 }
 
 @end