Propagate a user gesture bit for beforeinstallprompt.prompt()

third_party/WebKit/Source/modules/app_banner/BeforeInstallPromptEvent.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/app_banner/BeforeInstallPromptEvent.h"
 
 #include "core/dom/DOMException.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
+#include "core/dom/UserGestureIndicator.h"
 #include "core/frame/UseCounter.h"
 #include "modules/app_banner/BeforeInstallPromptEventInit.h"
 
 namespace blink {
 
 BeforeInstallPromptEvent::BeforeInstallPromptEvent(
     const AtomicString& name,
     LocalFrame& frame,
     mojom::blink::AppBannerServicePtr service_ptr,
     mojom::blink::AppBannerEventRequest event_request,
@@ skipping 51 matching lines @@
         script_state,
         DOMException::Create(kInvalidStateError,
                              "The prompt() method may only be called once, "
                              "following preventDefault()."));
   }
 
   UseCounter::Count(ExecutionContext::From(script_state),
                     UseCounter::kBeforeInstallPromptEventPrompt);
 
   prompt_called_ = true;
-  banner_service_->DisplayAppBanner();
+  banner_service_->DisplayAppBanner(
+      UserGestureIndicator::ProcessingUserGesture());
   return ScriptPromise::CastUndefined(script_state);
 }
 
 const AtomicString& BeforeInstallPromptEvent::InterfaceName() const {
   return EventNames::BeforeInstallPromptEvent;
 }
 
 void BeforeInstallPromptEvent::preventDefault() {
   Event::preventDefault();
   if (target()) {
@@ skipping 11 matching lines @@
   user_choice_->Resolve(AppBannerPromptResult::Create(
       g_empty_atom, AppBannerPromptResult::Outcome::kDismissed));
 }
 
 DEFINE_TRACE(BeforeInstallPromptEvent) {
   visitor->Trace(user_choice_);
   Event::Trace(visitor);
 }
 
 }  // namespace blink