Fleshes out the basic set of focus rules a bit more.

ui/views/corewm/window_modality_controller.cc

Index: ui/views/corewm/window_modality_controller.cc
===================================================================
--- ui/views/corewm/window_modality_controller.cc	(revision 170885)
+++ ui/views/corewm/window_modality_controller.cc	(working copy)
@@ -75,6 +75,11 @@
   child->SetProperty(kModalParentKey, parent);
 }
 
+VIEWS_EXPORT aura::Window* GetModalTransientForActivatableWindow(

[sadrul, 2012/12/04 16:19:40]

You shouldn't need VIEWS_EXPORT here.

+    aura::Window* activatable) {
+  return GetModalTransientChild(activatable, activatable);

[sadrul, 2012/12/04 16:19:40]

CHECK/DCHECK here that |activatable| is Activatable?

[Ben Goodger (Google), 2012/12/04 16:37:10]

Cannot. Results in recursion in CanActivateWindow().

+}
+
 aura::Window* GetModalTransient(aura::Window* window) {
   if (!window)
     return NULL;