Remove AppBannerManager::event_request_id().

chrome/browser/banners/app_banner_manager_desktop.cc

Index: chrome/browser/banners/app_banner_manager_desktop.cc
diff --git a/chrome/browser/banners/app_banner_manager_desktop.cc b/chrome/browser/banners/app_banner_manager_desktop.cc
index 43eb04df232f52e65ac3e6cb8e63dc4d8c70ca7f..e141e10e4c6af50102d0305fa6bb7388e07e09f4 100644
--- a/chrome/browser/banners/app_banner_manager_desktop.cc
+++ b/chrome/browser/banners/app_banner_manager_desktop.cc
@@ -42,7 +42,7 @@ void AppBannerManagerDesktop::DidFinishCreatingBookmarkApp(
     if (extension == nullptr) {
       Stop();
     } else {
-      SendBannerAccepted(event_request_id());
+      SendBannerAccepted();
 
       AppBannerSettingsHelper::RecordBannerInstallEvent(
           contents, GetAppIdentifier(), AppBannerSettingsHelper::WEB);
@@ -73,8 +73,7 @@ void AppBannerManagerDesktop::ShowBanner() {
   // the InfoBarService to show the banner. On desktop, an InfoBar class
   // is not required, and the delegate calls the InfoBarService.
   infobars::InfoBar* infobar = AppBannerInfoBarDelegateDesktop::Create(
-      contents, GetWeakPtr(), bookmark_app_helper_.get(), manifest_,
-      event_request_id());
+      contents, GetWeakPtr(), bookmark_app_helper_.get(), manifest_);
   if (infobar) {
     RecordDidShowBanner("AppBanner.WebApp.Shown");
     TrackDisplayEvent(DISPLAY_EVENT_WEB_APP_BANNER_CREATED);