Hook up LocalNtpSource to OneGoogleBarService

chrome/browser/search/one_google_bar/one_google_bar_service.cc

Index: chrome/browser/search/one_google_bar/one_google_bar_service.cc
diff --git a/chrome/browser/search/one_google_bar/one_google_bar_service.cc b/chrome/browser/search/one_google_bar/one_google_bar_service.cc
index e585921b2106a18086f8ad16eec42f8e1409a139..50705766b98a582d4d56409f5780bcfdf96256f0 100644
--- a/chrome/browser/search/one_google_bar/one_google_bar_service.cc
+++ b/chrome/browser/search/one_google_bar/one_google_bar_service.cc
@@ -53,11 +53,15 @@ OneGoogleBarService::OneGoogleBarService(
 OneGoogleBarService::~OneGoogleBarService() = default;
 
 void OneGoogleBarService::Shutdown() {
+  for (auto& observer : observers_) {
+    observer.OnOneGoogleBarServiceShuttingDown();
+  }
+
   signin_observer_.reset();
 }
 
 void OneGoogleBarService::Refresh() {
-  fetcher_->Fetch(base::BindOnce(&OneGoogleBarService::SetOneGoogleBarData,
+  fetcher_->Fetch(base::BindOnce(&OneGoogleBarService::OneGoogleBarDataFetched,
                                  base::Unretained(this)));
 }
 
@@ -74,6 +78,16 @@ void OneGoogleBarService::SigninStatusChanged() {
   SetOneGoogleBarData(base::nullopt);
 }
 
+void OneGoogleBarService::OneGoogleBarDataFetched(
+    const base::Optional<OneGoogleBarData>& data) {
+  SetOneGoogleBarData(data);
+  if (!data) {
+    for (auto& observer : observers_) {
+      observer.OnOneGoogleBarFetchFailed();
+    }
+  }
+}
+
 void OneGoogleBarService::SetOneGoogleBarData(
     const base::Optional<OneGoogleBarData>& data) {
   if (one_google_bar_data_ == data) {