Add new app banner metrics using InstallableStatusCode.

chrome/browser/android/banners/app_banner_manager_android.cc

Index: chrome/browser/android/banners/app_banner_manager_android.cc
diff --git a/chrome/browser/android/banners/app_banner_manager_android.cc b/chrome/browser/android/banners/app_banner_manager_android.cc
index a0456b2d6bd4bc4bac4ef582710e1c24332d843e..df7b3fc0edc3166632c0810075801ebc9a02be04 100644
--- a/chrome/browser/android/banners/app_banner_manager_android.cc
+++ b/chrome/browser/android/banners/app_banner_manager_android.cc
@@ -186,6 +186,9 @@ void AppBannerManagerAndroid::ShowBanner() {
     if (infobar) {
       RecordDidShowBanner("AppBanner.WebApp.Shown");
       TrackDisplayEvent(DISPLAY_EVENT_WEB_APP_BANNER_CREATED);
+      TrackInstallableErrorCode(SHOWING_WEB_APP_BANNER);
+    } else {
+      TrackInstallableErrorCode(FAILED_TO_CREATE_BANNER);
     }
   } else {
     std::unique_ptr<AppBannerInfoBarDelegateAndroid> delegate(
@@ -197,6 +200,9 @@ void AppBannerManagerAndroid::ShowBanner() {
     if (infobar) {
       RecordDidShowBanner("AppBanner.NativeApp.Shown");
       TrackDisplayEvent(DISPLAY_EVENT_NATIVE_APP_BANNER_CREATED);
+      TrackInstallableErrorCode(SHOWING_NATIVE_APP_BANNER);
+    } else {
+      TrackInstallableErrorCode(FAILED_TO_CREATE_BANNER);
     }
   }