Android: Fire the appinstalled event on WebAPK installation.

chrome/browser/android/webapps/add_to_homescreen_manager.cc

Index: chrome/browser/android/webapps/add_to_homescreen_manager.cc
diff --git a/chrome/browser/android/webapps/add_to_homescreen_manager.cc b/chrome/browser/android/webapps/add_to_homescreen_manager.cc
index 65ab2632057de7f340d6a500f8e3eff6e8bd0b74..822513778ba7058da78a23735100cd0a1bbf2398 100644
--- a/chrome/browser/android/webapps/add_to_homescreen_manager.cc
+++ b/chrome/browser/android/webapps/add_to_homescreen_manager.cc
@@ -12,6 +12,7 @@
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/android/banners/app_banner_infobar_delegate_android.h"
+#include "chrome/browser/android/banners/app_banner_manager_android.h"
 #include "chrome/browser/android/shortcut_helper.h"
 #include "chrome/browser/android/webapk/chrome_webapk_host.h"
 #include "chrome/browser/android/webapk/webapk_install_service.h"
@@ -119,11 +120,9 @@ void AddToHomescreenManager::AddShortcut(const ShortcutInfo& info,
   ShortcutHelper::AddToLauncherWithSkBitmap(web_contents, info, icon);
 
   // Fire the appinstalled event.
-  blink::mojom::InstallationServicePtr installation_service;
-  web_contents->GetMainFrame()->GetRemoteInterfaces()->GetInterface(
-      mojo::MakeRequest(&installation_service));
-  DCHECK(installation_service);
-  installation_service->OnInstall();
+  banners::AppBannerManagerAndroid* app_banner_manager =
+      banners::AppBannerManagerAndroid::FromWebContents(web_contents);
+  app_banner_manager->OnInstall();
 }
 
 void AddToHomescreenManager::RecordAddToHomescreen() {
@@ -191,8 +190,11 @@ void AddToHomescreenManager::CreateInfoBarForWebApk(
     const ShortcutInfo& info,
     const SkBitmap& primary_icon,
     const SkBitmap& badge_icon) {
+  content::WebContents* web_contents = data_fetcher_->web_contents();
+  banners::AppBannerManagerAndroid* app_banner_manager =
+      banners::AppBannerManagerAndroid::FromWebContents(web_contents);
   banners::AppBannerInfoBarDelegateAndroid::Create(
-      data_fetcher_->web_contents(), nullptr, info.user_title,
+      web_contents, app_banner_manager->GetWeakPtr(), info.user_title,
       base::MakeUnique<ShortcutInfo>(info), primary_icon, badge_icon,
       -1 /* event_request_id */, webapk::INSTALL_SOURCE_MENU);
 }