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

services/ui/ws/server_window.h

Index: services/ui/ws/server_window.h
diff --git a/services/ui/ws/server_window.h b/services/ui/ws/server_window.h
index 6d66668f0114c40c7c87e8a59a56d247a7213a90..961bd56070a7617b2e9965ff88ce74ed9f06fca8 100644
--- a/services/ui/ws/server_window.h
+++ b/services/ui/ws/server_window.h
@@ -151,6 +151,9 @@ class ServerWindow {
   void set_can_focus(bool can_focus) { can_focus_ = can_focus; }
   bool can_focus() const { return can_focus_; }
 
+  void set_accept_events(bool accept_events) { accept_events_ = accept_events; }

[sky, 2016/07/08 20:35:00]

can_accept. The reason I'm requesting the 'can' is that when you look at a
function like accept_events(), it reads as though it's a verb, when that isn't
the case.

[riajiang, 2016/07/11 15:48:38]

Done.

+  bool accept_events() const { return accept_events_; }
+
   // Returns true if this window is attached to a root and all ancestors are
   // visible.
   bool IsDrawn() const;
@@ -223,6 +226,7 @@ class ServerWindow {
   bool can_focus_;
   gfx::Transform transform_;
   ui::TextInputState text_input_state_;
+  bool accept_events_;
 
   Properties properties_;