Fix appinstalled event firing when user opens a WebAPK from banner.

chrome/browser/android/banners/app_banner_infobar_delegate_android.h

Index: chrome/browser/android/banners/app_banner_infobar_delegate_android.h
diff --git a/chrome/browser/android/banners/app_banner_infobar_delegate_android.h b/chrome/browser/android/banners/app_banner_infobar_delegate_android.h
index 6552a14db809ef94568988575ea26b4115d4227c..6467eac3154372914cd5557604d9921dbd7be42a 100644
--- a/chrome/browser/android/banners/app_banner_infobar_delegate_android.h
+++ b/chrome/browser/android/banners/app_banner_infobar_delegate_android.h
@@ -122,6 +122,10 @@ class AppBannerInfoBarDelegateAndroid : public ConfirmInfoBarDelegate {
   // Returns false if this delegate is for a WebAPK and was triggered from the
   // A2HS menu item. Otherwise returns true.
   bool TriggeredFromBanner() const;
+
+  // Called when the user accepts the banner to install the app. (Not called
+  // when the "Open" button is pressed on the banner that is shown after
+  // installation for WebAPK banners.)
   void SendBannerAccepted();
   void OnWebApkInstallFinished(WebApkInstallResult result,
                                bool relax_updates,