Display offline availability on ContentSuggestions

ios/chrome/browser/ui/reading_list/reading_list_utils.mm

Index: ios/chrome/browser/ui/reading_list/reading_list_utils.mm
diff --git a/ios/chrome/browser/ui/reading_list/reading_list_utils.mm b/ios/chrome/browser/ui/reading_list/reading_list_utils.mm
index 6d80d6349eff82756e6da0cc9938549645bc2ec6..4b281abea9d10b6e2beba0904a79f1b6278bcdfd 100644
--- a/ios/chrome/browser/ui/reading_list/reading_list_utils.mm
+++ b/ios/chrome/browser/ui/reading_list/reading_list_utils.mm
@@ -8,6 +8,8 @@
 #error "This file requires ARC support."
 #endif
 
+namespace reading_list {
+
 ReadingListUIDistillationStatus UIStatusFromModelStatus(
     ReadingListEntry::DistillationState distillation_state) {
   switch (distillation_state) {
@@ -21,3 +23,5 @@ ReadingListUIDistillationStatus UIStatusFromModelStatus(
       return ReadingListUIDistillationStatusFailure;
   }
 }
+
+}  // namespace reading_list