Add a callback parameter to UpdateClient::SendUninstallPing.

extensions/browser/updater/update_service.cc

Index: extensions/browser/updater/update_service.cc
diff --git a/extensions/browser/updater/update_service.cc b/extensions/browser/updater/update_service.cc
index 8946a16b9400fe399a5df01316a11e383a59dc9d..92b5efee03d6ab786c021d17e9b1eaef122fcd09 100644
--- a/extensions/browser/updater/update_service.cc
+++ b/extensions/browser/updater/update_service.cc
@@ -18,6 +18,8 @@ namespace {
 
 void UpdateCheckCompleteCallback(update_client::Error error) {}
 
+void SendUninstallPingCompleteCallback(update_client::Error error) {}
+
 void InstallUpdateCallback(content::BrowserContext* context,
                            const std::string& extension_id,
                            const base::FilePath& temp_dir) {
@@ -46,7 +48,8 @@ void UpdateService::Shutdown() {
 void UpdateService::SendUninstallPing(const std::string& id,
                                       const base::Version& version,
                                       int reason) {
-  update_client_->SendUninstallPing(id, version, reason);
+  update_client_->SendUninstallPing(
+      id, version, reason, base::Bind(&SendUninstallPingCompleteCallback));
 }
 
 void UpdateService::StartUpdateCheck(