fix: re-register status item when status watcher is recreated

patches/chromium/.patches

@@ -123,3 +123,4 @@ fix_remove_caption-removing_style_call.patch
 build_allow_electron_to_use_exec_script.patch
 revert_use_accessibility_pkey_when_setting_page_access.patch
 roll_clang_llvmorg-16-init-8189-g97196a2d-2.patch
+fix_tray_icon_gone_on_lock_screen.patch

patches/chromium/fix_tray_icon_gone_on_lock_screen.patch

@@ -0,0 +1,53 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Cheng Zhao <zcbenz@gmail.com>
+Date: Tue, 15 Nov 2022 09:38:25 +0900
+Subject: Re-register status item when owner of status watcher is changed
+
+https://chromium-review.googlesource.com/c/chromium/src/+/4022621
+
+diff --git a/chrome/browser/ui/views/status_icons/status_icon_linux_dbus.cc b/chrome/browser/ui/views/status_icons/status_icon_linux_dbus.cc
+index f3c9dfa9ca33496a9c45cd0c780d3d629aeb4663..7af4fbe75654729a9f42d661d1f0313b0c528664 100644
+--- a/chrome/browser/ui/views/status_icons/status_icon_linux_dbus.cc
++++ b/chrome/browser/ui/views/status_icons/status_icon_linux_dbus.cc
+@@ -270,6 +270,9 @@ void StatusIconLinuxDbus::OnNameHasOwnerResponse(dbus::Response* response) {
+
+   watcher_ = bus_->GetObjectProxy(kServiceStatusNotifierWatcher,
+                                   dbus::ObjectPath(kPathStatusNotifierWatcher));
++  watcher_->SetNameOwnerChangedCallback(
++      base::BindRepeating(&StatusIconLinuxDbus::NameOwnerChangedReceived,
++                          weak_factory_.GetWeakPtr()));
+
+   dbus::MethodCall method_call(DBUS_INTERFACE_PROPERTIES, kMethodGet);
+   dbus::MessageWriter writer(&method_call);
+@@ -396,6 +399,15 @@ void StatusIconLinuxDbus::OnRegistered(dbus::Response* response) {
+     delegate_->OnImplInitializationFailed();
+ }
+
++void StatusIconLinuxDbus::NameOwnerChangedReceived(
++    const std::string& old_owner,
++    const std::string& new_owner) {
++  // Re-register the item when the StatusNotifierWatcher has a new owner.
++  if (new_owner.empty())
++    return;
++  OnInitialized(true);
++}
++
+ void StatusIconLinuxDbus::OnActivate(
+     dbus::MethodCall* method_call,
+     dbus::ExportedObject::ResponseSender sender) {
+diff --git a/chrome/browser/ui/views/status_icons/status_icon_linux_dbus.h b/chrome/browser/ui/views/status_icons/status_icon_linux_dbus.h
+index e7628de42f980fa3535cab9dfffd0deab30f8812..9bcc64bfcd5379111f5cfcf25e884c8e263120c2 100644
+--- a/chrome/browser/ui/views/status_icons/status_icon_linux_dbus.h
++++ b/chrome/browser/ui/views/status_icons/status_icon_linux_dbus.h
+@@ -78,6 +78,11 @@ class StatusIconLinuxDbus : public ui::StatusIconLinux,
+   // Step 5: register the StatusNotifierItem with the StatusNotifierWatcher.
+   void OnRegistered(dbus::Response* response);
+
++  // Called when the name owner of StatusNotifierWatcher has changed, which
++  // can happen when lock/unlock screen.
++  void NameOwnerChangedReceived(const std::string& old_owner,
++                                const std::string& new_owner);
++
+   // DBus methods.
+   // Action       -> KDE behavior:
+   // Left-click   -> Activate