feat: add query-session-end and improve session-end events on Windows (#44598)

* feat: add query-session-end event for Windows

* fix: remove debug line

* feat: notify with reason on session-end

* docs: add comments and return params

* docs: add same docs to the BrowserWindow

* fix: add shutdown reason if lParam == 0

* docs: remove 'force' word

* docs: revert multithreading.md change

* docs: add reasons documentation, reason variable renamed to reasons

* docs: improve 'shutdown' reason wording

* docs: reword with 'can be'

* fix: pass reasons by reference

* fix: use newer approach which expose reasons value directly on Event object

* docs: add escaping

* style: linter fixes

* fix: project now should compile

* fix: EmitWithoutEvent method added, EmitWithEvent moved to private again

* docs: typo fix

Co-authored-by: Sam Maddock <samuel.maddock@gmail.com>

* docs: dedicated WindowSessionEndEvent type created

* docs: better wording for session-end event description

Co-authored-by: Will Anderson <will@itsananderson.com>

---------

Co-authored-by: Sam Maddock <samuel.maddock@gmail.com>
Co-authored-by: Will Anderson <will@itsananderson.com>

shell/browser/native_window.h

@@ -302,7 +302,9 @@ class NativeWindow : public base::SupportsUserData,
   void NotifyWindowRequestPreferredWidth(int* width);
   void NotifyWindowCloseButtonClicked();
   void NotifyWindowClosed();
-  void NotifyWindowEndSession();
+  void NotifyWindowQueryEndSession(const std::vector<std::string>& reasons,
+                                   bool* prevent_default);
+  void NotifyWindowEndSession(const std::vector<std::string>& reasons);
   void NotifyWindowBlur();
   void NotifyWindowFocus();
   void NotifyWindowShow();