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..40dd39a71ac4c6fe4ea5d118fb8c4807a7255f53 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 +122,8 @@ 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

[dominickn, 2017/04/28 03:57:23]

Nit: newline above this.

You should also clarify, something like.

If the banner is for a WebAPK, this is only called when the user begins the
installation process, not when they use the banner to open the WebAPK after
installation.

[Matt Giuca, 2017/04/28 03:59:18]

My comment already mostly captures this. Worked WebAPKs into there.

+  // when the "Open" button is pressed on the banner after installation.)
   void SendBannerAccepted();
   void OnWebApkInstallFinished(WebApkInstallResult result,
                                bool relax_updates,