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

ui/views/mus/native_widget_mus.cc

Index: ui/views/mus/native_widget_mus.cc
diff --git a/ui/views/mus/native_widget_mus.cc b/ui/views/mus/native_widget_mus.cc
index 96e1152550ed51fd2f174643fd47fb5fc6dd7770..f9b76817368e9177d6a9f600bd157d2447f150b3 100644
--- a/ui/views/mus/native_widget_mus.cc
+++ b/ui/views/mus/native_widget_mus.cc
@@ -499,7 +499,8 @@ class NativeWidgetMus::MusCaptureClient
 NativeWidgetMus::NativeWidgetMus(internal::NativeWidgetDelegate* delegate,
                                  shell::Connector* connector,
                                  ui::Window* window,
-                                 ui::mojom::SurfaceType surface_type)
+                                 ui::mojom::SurfaceType surface_type,
+                                 bool accept_events)
     : window_(window),
       last_cursor_(ui::mojom::Cursor::CURSOR_NULL),
       native_widget_delegate_(delegate),
@@ -543,6 +544,8 @@ NativeWidgetMus::NativeWidgetMus(internal::NativeWidgetDelegate* delegate,
   }
 
   aura::Env::GetInstance()->set_context_factory(default_context_factory);
+
+  if (accept_events == false) window_->SetAcceptEvents(false);

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

nit: in general we don't use single line conditionals like this.

Also, you shouldn't need a new parameter for accept_events as it should be the
same as InitParams::accept_events. So, move this call to 
InitNativeWidget and use the value from InitParams.

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

Done.

 }
 
 NativeWidgetMus::~NativeWidgetMus() {