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 b3163d26abb34d01c0bb5d8f5085d739b28e62c7..897ba7480426c34af36904aabf8d6680bb9fa27b 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
@@ -10,6 +10,16 @@
 #import "ios/third_party/material_components_ios/src/components/CollectionCells/src/MaterialCollectionCells.h"
 #include "url/gurl.h"
 
+@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<ContentSuggestionIDHolder>
@@ -19,7 +29,7 @@
 - (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;
@@ -27,6 +37,8 @@
 @property(nonatomic, copy, readonly) NSString* title;
 @property(nonatomic, strong) UIImage* image;
 @property(nonatomic, readonly, assign) GURL articleURL;
+// Whether the image is being fetched.
+@property(nonatomic, assign) BOOL imageBeingFetched;
 
 @end