fix: crash using powerMonitor before ready event (#40924)

* fix: crash using powerMonitor before ready event

Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>

* refactor: continue using DBusBluezManagerWrapperLinux

Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>

---------

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>

shell/browser/electron_browser_main_parts.cc

@@ -81,6 +81,7 @@
 #include "base/environment.h"
 #include "chrome/browser/ui/views/dark_mode_manager_linux.h"
 #include "device/bluetooth/bluetooth_adapter_factory.h"
+#include "device/bluetooth/dbus/bluez_dbus_manager.h"
 #include "device/bluetooth/dbus/dbus_bluez_manager_wrapper_linux.h"
 #include "electron/electron_gtk_stubs.h"
 #include "ui/base/cursor/cursor_factory.h"
@@ -508,7 +509,8 @@ void ElectronBrowserMainParts::PostCreateMainMessageLoop() {
   ui::OzonePlatform::GetInstance()->PostCreateMainMessageLoop(
       std::move(shutdown_cb),
       content::GetUIThreadTaskRunner({content::BrowserTaskType::kUserInput}));
-  bluez::DBusBluezManagerWrapperLinux::Initialize();
+  if (!bluez::BluezDBusManager::IsInitialized())
+    bluez::DBusBluezManagerWrapperLinux::Initialize();
 
   // Set up crypt config. This needs to be done before anything starts the
   // network service, as the raw encryption key needs to be shared with the

shell/browser/lib/power_observer_linux.cc

@@ -11,7 +11,9 @@
 #include "base/files/file_path.h"
 #include "base/functional/bind.h"
 #include "base/logging.h"
+#include "device/bluetooth/dbus/bluez_dbus_manager.h"
 #include "device/bluetooth/dbus/bluez_dbus_thread_manager.h"
+#include "device/bluetooth/dbus/dbus_bluez_manager_wrapper_linux.h"
 
 namespace {
 
@@ -34,6 +36,9 @@ PowerObserverLinux::PowerObserverLinux(
     base::PowerSuspendObserver* suspend_observer)
     : suspend_observer_(suspend_observer),
       lock_owner_name_(GetExecutableBaseName()) {
+  if (!bluez::BluezDBusManager::IsInitialized())
+    bluez::DBusBluezManagerWrapperLinux::Initialize();
+
   auto* bus = bluez::BluezDBusThreadManager::Get()->GetSystemBus();
   if (!bus) {
     LOG(WARNING) << "Failed to get system bus connection";