Local NTP: Introduce OneGoogleBarService

chrome/browser/search/one_google_bar/one_google_bar_fetcher.h

Index: chrome/browser/search/one_google_bar/one_google_bar_fetcher.h
diff --git a/chrome/browser/search/one_google_bar/one_google_bar_fetcher.h b/chrome/browser/search/one_google_bar/one_google_bar_fetcher.h
index 4b42d42114bd4c174154f0ae19967ecd6c443ce8..21b6e34003055229dddc92c2e56b7044da6fb39b 100644
--- a/chrome/browser/search/one_google_bar/one_google_bar_fetcher.h
+++ b/chrome/browser/search/one_google_bar/one_google_bar_fetcher.h
@@ -16,6 +16,8 @@ class OneGoogleBarFetcher {
   using OneGoogleCallback =
       base::OnceCallback<void(const base::Optional<OneGoogleBarData>&)>;
 
+  virtual ~OneGoogleBarFetcher() = default;
+
   // Initiates a fetch from the network. On completion (successful or not), the
   // callback will be called with the result, which will be nullopt on failure.
   virtual void Fetch(OneGoogleCallback callback) = 0;