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

services/ui/ws/window_finder_unittest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "services/ui/ws/window_finder.h"
 
 #include "services/ui/ws/server_window.h"
 #include "services/ui/ws/server_window_surface_manager.h"
 #include "services/ui/ws/server_window_surface_manager_test_api.h"
 #include "services/ui/ws/test_server_window_delegate.h"
@@ skipping 23 matching lines @@
   child2.SetBounds(gfx::Rect(15, 15, 20, 20));
 
   gfx::Point local_point(16, 16);
   EXPECT_EQ(&child2, FindDeepestVisibleWindowForEvents(&root, &local_point));
   EXPECT_EQ(gfx::Point(1, 1), local_point);
 
   local_point.SetPoint(13, 14);
   EXPECT_EQ(&child1, FindDeepestVisibleWindowForEvents(&root, &local_point));
   EXPECT_EQ(gfx::Point(3, 4), local_point);
 
+  local_point.SetPoint(13, 14);
+  child1.set_can_accept_events(false);
+  EXPECT_EQ(&root, FindDeepestVisibleWindowForEvents(&root, &local_point));
+  EXPECT_EQ(gfx::Point(13, 14), local_point);
+
   child2.set_extended_hit_test_region(gfx::Insets(10, 10, 10, 10));
   local_point.SetPoint(13, 14);
   EXPECT_EQ(&child2, FindDeepestVisibleWindowForEvents(&root, &local_point));
   EXPECT_EQ(gfx::Point(-2, -1), local_point);
 }
 
 TEST(WindowFinderTest, FindDeepestVisibleWindowHitTestMask) {
   TestServerWindowDelegate window_delegate;
   ServerWindow root(&window_delegate, WindowId(1, 2));
   window_delegate.set_root_window(&root);
@@ skipping 16 matching lines @@
 
   // Test a point inside the window and inside the mask.
   gfx::Point point_inside_mask(15, 15);
   EXPECT_EQ(&child_with_mask,
             FindDeepestVisibleWindowForEvents(&root, &point_inside_mask));
   EXPECT_EQ(gfx::Point(5, 5), point_inside_mask);
 }
 
 }  // namespace ws
 }  // namespace ui