fix: add pinning for timeout never notifications and xml printing for debugging

shell/browser/api/electron_api_notification.cc

@@ -72,6 +72,11 @@ Notification::Notification(gin::Arguments* args) {
     opts.Get("closeButtonText", &close_button_text_);
     opts.Get("toastXml", &toast_xml_);
   }
+
+  // The notification should not be garbage collected until it is interacted
+  // with
+  if (timeout_type_ == u"never")
+    Pin(JavascriptEnvironment::GetIsolate());
 }
 
 Notification::~Notification() {
@@ -160,6 +165,10 @@ void Notification::SetHasReply(bool new_has_reply) {
 }
 
 void Notification::SetTimeoutType(const std::u16string& new_timeout_type) {
+  // The notification should be garbage collected if it is not set to `never`
+  if (timeout_type_ == u"never" && new_timeout_type != u"never") {
+    Unpin();
+  }
   timeout_type_ = new_timeout_type;
 }
 
@@ -193,10 +202,12 @@ void Notification::NotificationAction(int index) {
 }
 
 void Notification::NotificationClick() {
+  Unpin();
   Emit("click");
 }
 
 void Notification::NotificationReplied(const std::string& reply) {
+  Unpin();
   Emit("reply", reply);
 }
 
@@ -205,17 +216,22 @@ void Notification::NotificationDisplayed() {
 }
 
 void Notification::NotificationFailed(const std::string& error) {
+  Unpin();
   Emit("failed", error);
 }
 
-void Notification::NotificationDestroyed() {}
+void Notification::NotificationDestroyed() {
+  Unpin();
+}
 
 void Notification::NotificationClosed() {
+  Unpin();
   Emit("close");
 }
 
 void Notification::Close() {
   if (notification_) {
+    Unpin();
     notification_->Dismiss();
     notification_->set_delegate(nullptr);
     notification_.reset();

shell/browser/api/electron_api_notification.h

@@ -17,6 +17,7 @@
 #include "shell/common/gin_helper/cleaned_up_at_exit.h"
 #include "shell/common/gin_helper/constructible.h"
 #include "shell/common/gin_helper/error_thrower.h"
+#include "shell/common/gin_helper/pinnable.h"
 #include "ui/gfx/image/image.h"
 
 namespace gin {
@@ -28,6 +29,7 @@ class Handle;
 namespace electron::api {
 
 class Notification : public gin::Wrappable<Notification>,
+                     public gin_helper::Pinnable<Notification>,
                      public gin_helper::EventEmitterMixin<Notification>,
                      public gin_helper::Constructible<Notification>,
                      public gin_helper::CleanedUpAtExit,

shell/browser/notifications/win/windows_toast_notification.cc

@@ -15,6 +15,7 @@
 #include "base/logging.h"
 #include "base/strings/string_util_win.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/win/scoped_hstring.h"
 #include "content/public/browser/browser_task_traits.h"
 #include "content/public/browser/browser_thread.h"
 #include "shell/browser/notifications/notification_delegate.h"
@@ -31,6 +32,7 @@ using ABI::Windows::Data::Xml::Dom::IXmlElement;
 using ABI::Windows::Data::Xml::Dom::IXmlNamedNodeMap;
 using ABI::Windows::Data::Xml::Dom::IXmlNode;
 using ABI::Windows::Data::Xml::Dom::IXmlNodeList;
+using ABI::Windows::Data::Xml::Dom::IXmlNodeSerializer;
 using ABI::Windows::Data::Xml::Dom::IXmlText;
 using Microsoft::WRL::Wrappers::HStringReference;
 
@@ -234,6 +236,18 @@ HRESULT WindowsToastNotification::GetToastXml(
   return S_OK;
 }
 
+std::string WindowsToastNotification::XmlStringFromDocument(IXmlDocument* doc) {
+  ComPtr<IXmlNodeSerializer> ser;
+  ComPtr<IXmlElement> doc_elem;
+  doc->get_DocumentElement(&doc_elem);
+  doc_elem.As<IXmlNodeSerializer>(&ser);
+  HSTRING result_xml;
+  ser->GetXml(&result_xml);
+  base::win::ScopedHString result_string(result_xml);
+
+  return result_string.GetAsUTF8();
+}
+
 HRESULT WindowsToastNotification::SetXmlScenarioReminder(IXmlDocument* doc) {
   ScopedHString tag(L"toast");
   if (!tag.success())

shell/browser/notifications/win/windows_toast_notification.h

@@ -88,6 +88,8 @@ class WindowsToastNotification : public Notification {
   HRESULT XmlDocumentFromString(
       const wchar_t* xmlString,
       ABI::Windows::Data::Xml::Dom::IXmlDocument** doc);
+  std::string XmlStringFromDocument(
+      ABI::Windows::Data::Xml::Dom::IXmlDocument* doc);
   HRESULT SetupCallbacks(
       ABI::Windows::UI::Notifications::IToastNotification* toast);
   bool RemoveCallbacks(