Add publisher information on ContentSuggestionsArticles

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

Index: ios/chrome/browser/ui/content_suggestions/content_suggestion.mm
diff --git a/ios/chrome/browser/ui/content_suggestions/content_suggestion.mm b/ios/chrome/browser/ui/content_suggestions/content_suggestion.mm
index b9877af13b15a862ad9410f57dd2fc38d2285cde..0df24262ed6466f25265e0bbcff71d4dbae25513 100644
--- a/ios/chrome/browser/ui/content_suggestions/content_suggestion.mm
+++ b/ios/chrome/browser/ui/content_suggestions/content_suggestion.mm
@@ -4,6 +4,8 @@
 
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestion.h"
 
+#include "base/time/time.h"
+
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
@@ -14,6 +16,8 @@
 @synthesize image = _image;
 @synthesize text = _text;
 @synthesize url = _url;
+@synthesize publisher = _publisher;
+@synthesize publishDate = _publishDate;
 @synthesize section = _section;
 @synthesize type = _type;