[NTP Snippets] Limit the number of snippets to 10

components/ntp_snippets/ntp_snippets_fetcher.h

Index: components/ntp_snippets/ntp_snippets_fetcher.h
diff --git a/components/ntp_snippets/ntp_snippets_fetcher.h b/components/ntp_snippets/ntp_snippets_fetcher.h
index 1c0b7d4e7a109a0d741bd8ed4c7ea2a40ebcc9aa..39c48e5d138c6199550f11eb6b973e7759206992 100644
--- a/components/ntp_snippets/ntp_snippets_fetcher.h
+++ b/components/ntp_snippets/ntp_snippets_fetcher.h
@@ -42,7 +42,7 @@ class NTPSnippetsFetcher : public net::URLFetcherDelegate {
   // Fetches snippets from the server. |hosts| can be used to restrict the
   // results to a set of hosts, e.g. "www.google.com". If it is empty, no
   // restrictions are applied.
-  void FetchSnippets(const std::set<std::string>& hosts);
+  void FetchSnippets(const std::set<std::string>& hosts, int count);
 
  private:
   // URLFetcherDelegate implementation.