Make AppBannerInfoBar install WebAPK.

chrome/browser/ui/android/infobars/app_banner_infobar_android.h

Index: chrome/browser/ui/android/infobars/app_banner_infobar_android.h
diff --git a/chrome/browser/ui/android/infobars/app_banner_infobar_android.h b/chrome/browser/ui/android/infobars/app_banner_infobar_android.h
index 9c8e3ebb33215cf961fe325a2b5e9dfa5c60c8d4..0ace22c5f66c5ea60afddb531bc92ca31f43dc52 100644
--- a/chrome/browser/ui/android/infobars/app_banner_infobar_android.h
+++ b/chrome/browser/ui/android/infobars/app_banner_infobar_android.h
@@ -25,7 +25,8 @@ class AppBannerInfoBarAndroid : public ConfirmInfoBar {
   // Constructs an AppBannerInfoBarAndroid promoting a web app.
   AppBannerInfoBarAndroid(
       std::unique_ptr<banners::AppBannerInfoBarDelegateAndroid> delegate,
-      const GURL& app_url);
+      const GURL& app_url,
+      bool is_webapk);
 
   ~AppBannerInfoBarAndroid() override;
 
@@ -45,6 +46,9 @@ class AppBannerInfoBarAndroid : public ConfirmInfoBar {
   // Web app: URL for the app.
   GURL app_url_;
 
+  // Indicates whether the info bar is for installing a WebAPK.
+  bool is_webapk_;
+
   base::android::ScopedJavaGlobalRef<jobject> java_infobar_;
 
   DISALLOW_COPY_AND_ASSIGN(AppBannerInfoBarAndroid);