Get Suggestions image only if it is not empty

ios/chrome/browser/ui/content_suggestions/content_suggestions_collection_updater.mm

Index: ios/chrome/browser/ui/content_suggestions/content_suggestions_collection_updater.mm
diff --git a/ios/chrome/browser/ui/content_suggestions/content_suggestions_collection_updater.mm b/ios/chrome/browser/ui/content_suggestions/content_suggestions_collection_updater.mm
index 96a0e9c2b55cc987b80d8fbd6cf25f2c1fabf83f..c0f4c134adbfdf8296b77b5930e89e14a1c12ca7 100644
--- a/ios/chrome/browser/ui/content_suggestions/content_suggestions_collection_updater.mm
+++ b/ios/chrome/browser/ui/content_suggestions/content_suggestions_collection_updater.mm
@@ -153,21 +153,22 @@ SectionIdentifier SectionIdentifierForInfo(
   __weak ContentSuggestionsCollectionUpdater* weakSelf = self;
   __weak ContentSuggestionsArticleItem* weakArticle = articleItem;
   void (^imageFetchedCallback)(const gfx::Image&) = ^(const gfx::Image& image) {
+    if (image.IsEmpty()) {
+      return;
+    }
+
     ContentSuggestionsCollectionUpdater* strongSelf = weakSelf;
     ContentSuggestionsArticleItem* strongArticle = weakArticle;
     if (!strongSelf || !strongArticle) {
       return;
     }
 
-    strongArticle.imageBeingFetched = NO;
     strongArticle.image = image.CopyUIImage();
     [strongSelf.collectionViewController
         reconfigureCellsForItems:@[ strongArticle ]
          inSectionWithIdentifier:sectionIdentifier];
   };
 
-  articleItem.imageBeingFetched = YES;
-
   [self.dataSource.imageFetcher
       fetchImageForSuggestion:articleItem.suggestionIdentifier
                      callback:imageFetchedCallback];