Add bookmark provider for content suggestions

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index b030327e29c54634035a3949613bc0cf7641a53b..e5d765053b8ef96d98819a8472104d4e41277950 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -15059,7 +15059,13 @@ Please check your email at <ph name="ACCOUNT_EMAIL">$2<ex>jane.doe@gmail.com</ex
         Show offline pages on the New Tab page
       </message>
       <message name="IDS_FLAGS_ENABLE_NTP_OFFLINE_PAGE_SUGGESTIONS_DESCRIPTION" desc="Description for the flag to enable offline page suggestions on the New Tab page." translateable="false">
-        If enabled, the list of content suggestions on the New Tab page (see #enable-ntp-snippets) will contain pages that were captured offline during browsing (see #offlining-recent-pages) 
+        If enabled, the list of content suggestions on the New Tab page (see #enable-ntp-snippets) will contain pages that were captured offline during browsing (see #offlining-recent-pages)
+      </message>
+      <message name="IDS_FLAGS_ENABLE_NTP_BOOKMARK_SUGGESTIONS_NAME" desc="Name for the flag to enable bookmark suggestions on the New Tab page." translateable="false">
+        Show recently visited bookmarks on the New Tab page
+      </message>
+      <message name="IDS_FLAGS_ENABLE_NTP_BOOKMARK_SUGGESTIONS_DESCRIPTION" desc="Description for the flag to enable bookmark suggestions on the New Tab page." translateable="false">
+        If enabled, the list of content suggestions on the New Tab page (see #enable-ntp-snippets) will contain recently visited bookmarks.
       </message>
     </if>