Add ContentSuggestionsService

components/ntp_snippets/ntp_snippet.cc

Index: components/ntp_snippets/ntp_snippet.cc
diff --git a/components/ntp_snippets/ntp_snippet.cc b/components/ntp_snippets/ntp_snippet.cc
index 640aea1e390994ec13896c5a6f6880368953bec5..945d0b61782db6f07f904731ac417b7766f5c4ac 100644
--- a/components/ntp_snippets/ntp_snippet.cc
+++ b/components/ntp_snippets/ntp_snippet.cc
@@ -10,7 +10,6 @@
 #include "base/values.h"
 #include "components/ntp_snippets/content_suggestion.h"
 #include "components/ntp_snippets/content_suggestion_category.h"
-#include "components/ntp_snippets/content_suggestions_provider_type.h"
 #include "components/ntp_snippets/proto/ntp_snippets.pb.h"
 
 namespace {
@@ -246,10 +245,10 @@ SnippetProto NTPSnippet::ToProto() const {
   return result;
 }
 
-std::unique_ptr<ContentSuggestion> NTPSnippet::ToContentSuggestion() const {
+std::unique_ptr<ContentSuggestion> NTPSnippet::ToContentSuggestion(
+    const std::string& id) const {
   std::unique_ptr<ContentSuggestion> result(new ContentSuggestion(
-      id_, ContentSuggestionsProviderType::ARTICLES,
-      ContentSuggestionCategory::ARTICLE, best_source().url));
+      id, ContentSuggestionCategory::ARTICLE, best_source().url));
   result->set_amp_url(best_source().amp_url);
   result->set_title(title_);
   result->set_snippet_text(snippet_);