Propagate a user gesture bit for beforeinstallprompt.prompt()

chrome/browser/banners/app_banner_manager.h

Index: chrome/browser/banners/app_banner_manager.h
diff --git a/chrome/browser/banners/app_banner_manager.h b/chrome/browser/banners/app_banner_manager.h
index 4c13d145bc6b3a7caaebd645a51e6225add78817..d14251b7dc4aeaf9c35048e288ad112c24d9f9f9 100644
--- a/chrome/browser/banners/app_banner_manager.h
+++ b/chrome/browser/banners/app_banner_manager.h
@@ -268,7 +268,7 @@ class AppBannerManager : public content::WebContentsObserver,
   // blink::mojom::AppBannerService overrides.
   // Called when Blink has prevented a banner from being shown, and is now
   // requesting that it be shown later.
-  void DisplayAppBanner() override;
+  void DisplayAppBanner(bool user_gesture) override;
 
   // Fetches the data required to display a banner for the current page.
   InstallableManager* manager_;