Make AppBannerInfoBar install WebAPK.

chrome/browser/android/webapk/webapk_installer.h

Index: chrome/browser/android/webapk/webapk_installer.h
diff --git a/chrome/browser/android/webapk/webapk_installer.h b/chrome/browser/android/webapk/webapk_installer.h
index 8c1f3d8855442b8110d273a4c2c13f5695087511..df30299224fa485f19f05418a44124cd1d4998f3 100644
--- a/chrome/browser/android/webapk/webapk_installer.h
+++ b/chrome/browser/android/webapk/webapk_installer.h
@@ -13,6 +13,7 @@
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/timer/timer.h"
+#include "chrome/browser/android/shortcut_helper.h"
 #include "chrome/browser/android/shortcut_info.h"
 #include "chrome/browser/net/file_downloader.h"
 #include "net/url_request/url_fetcher.h"
@@ -51,13 +52,16 @@ class WebApkInstaller : public net::URLFetcherDelegate {
   // Talks to the Chrome WebAPK server to generate a WebAPK on the server and to
   // Google Play to install the downloaded WebAPK. Calls |callback| after the
   // request to install the WebAPK is sent to Google Play.
-  void InstallAsync(content::BrowserContext* browser_context,
-                    const FinishCallback& callback);
+  void InstallAsync(
+      content::BrowserContext* browser_context,
+      const ShortcutHelper::WebApkPackageNameAvailableCallback& callback,
+      const FinishCallback& finish_callback);
 
   // Same as InstallAsync() but uses the passed in |request_context_getter|.
   void InstallAsyncWithURLRequestContextGetter(
       net::URLRequestContextGetter* request_context_getter,
-      const FinishCallback& callback);
+      const ShortcutHelper::WebApkPackageNameAvailableCallback& callback,
+      const FinishCallback& finish_callback);
 
   // Talks to the Chrome WebAPK server to update a WebAPK on the server and to
   // the Google Play server to install the downloaded WebAPK. Calls |callback|
@@ -183,6 +187,11 @@ class WebApkInstaller : public net::URLFetcherDelegate {
   // Callback to call once WebApkInstaller succeeds or fails.
   FinishCallback finish_callback_;
 
+  // Callback to call once the WebAPK's package name is available (i.e.,
+  // received from the WebAPK Server).
+  ShortcutHelper::WebApkPackageNameAvailableCallback
+      package_available_callback_;
+
   // Web Manifest info.
   const ShortcutInfo shortcut_info_;