Deregister window classes

ui/gfx/win/window_impl.h

Index: ui/gfx/win/window_impl.h
diff --git a/ui/gfx/win/window_impl.h b/ui/gfx/win/window_impl.h
index 8206562935ff1ca8eb6c685231a58f854c876192..b9dcb85631ed7c63fc1590f7d991f2b71ed4b88a 100644
--- a/ui/gfx/win/window_impl.h
+++ b/ui/gfx/win/window_impl.h
@@ -41,6 +41,11 @@ class GFX_EXPORT WindowImpl : public MessageMapInterface {
   WindowImpl();
   virtual ~WindowImpl();
 
+  // Causes all generated windows classes to be unregistered at exit.
+  // This can cause result in errors for tests that don't destroy all instances
+  // of windows, but is necessary if the tests uses a ShadowingAtExitManager.

[Bernhard Bauer, 2014/09/11 08:45:06]

This comment doesn't really make sense. Calling this is not necessary just
because the test uses a ShadowingAtExitManager, only if it actually unloads the
window procedure.

[DaveMoore, 2014/09/12 04:27:28]

Done.

+  static void SetUnregisterClassesAtExit(bool unregister_classes_at_exit);
+
   // Initializes the Window with a parent and an initial desired size.
   void Init(HWND parent, const gfx::Rect& bounds);