Fetch images for ContentSuggestions

ios/chrome/browser/ui/content_suggestions/content_suggestions_article_item.h

Index: ios/chrome/browser/ui/content_suggestions/content_suggestions_article_item.h
diff --git a/ios/chrome/browser/ui/content_suggestions/content_suggestions_article_item.h b/ios/chrome/browser/ui/content_suggestions/content_suggestions_article_item.h
index ed415d1fd2cbd961f78ea4aaebc98c01eedd0ae1..029790e654b2dad1e99e7338c18cd6fa47fa6710 100644
--- a/ios/chrome/browser/ui/content_suggestions/content_suggestions_article_item.h
+++ b/ios/chrome/browser/ui/content_suggestions/content_suggestions_article_item.h
@@ -14,6 +14,16 @@ namespace base {
 class Time;
 }
 
+@class ContentSuggestionsArticleItem;
+
+// Delegate for a ContentSuggestionsArticleItem.
+@protocol ContentSuggestionsArticleItemDelegate
+
+// Loads the image associated with this item.
+- (void)loadImageForArticleItem:(ContentSuggestionsArticleItem*)articleItem;
+
+@end
+
 // Item for an article in the suggestions.
 @interface ContentSuggestionsArticleItem
     : CollectionViewItem<ContentSuggestionIdentification>
@@ -23,7 +33,7 @@ class Time;
 - (instancetype)initWithType:(NSInteger)type
                        title:(NSString*)title
                     subtitle:(NSString*)subtitle
-                       image:(UIImage*)image
+                    delegate:(id<ContentSuggestionsArticleItemDelegate>)delegate
                          url:(const GURL&)url NS_DESIGNATED_INITIALIZER;
 
 - (instancetype)initWithType:(NSInteger)type NS_UNAVAILABLE;
@@ -34,6 +44,9 @@ class Time;
 @property(nonatomic, copy) NSString* publisher;
 @property(nonatomic, assign) base::Time publishDate;
 
+// Whether the image is being fetched. This property is set by the delegate.
+@property(nonatomic, assign) BOOL imageBeingFetched;
+
 @end
 
 // Corresponding cell for an article in the suggestions.