mus: Disregard windows that explicitly set can_accept_events to be false when sending events.

services/ui/ws/window_tree.cc

Index: services/ui/ws/window_tree.cc
diff --git a/services/ui/ws/window_tree.cc b/services/ui/ws/window_tree.cc
index a32eec9bcd3393b4b683a8d93e3ce6d0960e448a..2ea2f29129dd5817d45bb288b8aca338fb22435e 100644
--- a/services/ui/ws/window_tree.cc
+++ b/services/ui/ws/window_tree.cc
@@ -347,6 +347,13 @@ bool WindowTree::SetFocus(const ClientWindowId& window_id) {
   return success;
 }
 
+void WindowTree::SetAcceptEvents(Id transport_window_id, bool accept_events) {
+  ServerWindow* window =
+    GetWindowByClientId(ClientWindowId(transport_window_id));

[sky, 2016/07/06 16:21:25]

nit: spacing should be 4 here. Run git cl format to get the right thing.

[riajiang, 2016/07/08 17:59:59]

Done.

+  if (window)
+    window->SetAcceptEvents(accept_events);

[sky, 2016/07/06 16:21:25]

You should also make sure the client can actually change this. See SetFocus how
it calls to CanSetFocus for what I mean.

[riajiang, 2016/07/08 17:59:59]

Done.

+}
+
 bool WindowTree::Embed(const ClientWindowId& window_id,
                        mojom::WindowTreeClientPtr client,
                        uint32_t flags) {