Suggestions UI - Add Article items

ios/chrome/browser/ui/suggestions/BUILD.gn

Index: ios/chrome/browser/ui/suggestions/BUILD.gn
diff --git a/ios/chrome/browser/ui/suggestions/BUILD.gn b/ios/chrome/browser/ui/suggestions/BUILD.gn
index e1ded9777377dca5a43b031e76d8ca95a786d731..4b9e43aa78a9c1457969093d67908feb180940b0 100644
--- a/ios/chrome/browser/ui/suggestions/BUILD.gn
+++ b/ios/chrome/browser/ui/suggestions/BUILD.gn
@@ -5,6 +5,8 @@
 source_set("suggestions") {
   configs += [ "//build/config/compiler:enable_arc" ]
   sources = [
+    "suggestions_article_item.h",
+    "suggestions_article_item.mm",
     "suggestions_collection_updater.h",
     "suggestions_collection_updater.mm",
     "suggestions_commands.h",
@@ -24,3 +26,15 @@ source_set("suggestions") {
     "//ios/third_party/material_components_ios",
   ]
 }
+
+source_set("unit_tests") {
+  testonly = true
+  sources = [
+    "suggestions_article_item_unittest.mm",
+  ]
+  deps = [
+    ":suggestions",
+    "//ios/chrome/browser/ui/collection_view",
+    "//testing/gtest",
+  ]
+}