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

services/ui/ws/window_tree_unittest.cc

 // Copyright 2014 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_tree.h"
 
 #include <stdint.h>
 
 #include <string>
 #include <vector>
@@ skipping 1227 matching lines @@
   const uint32_t kChangeId = 8;
   const Id kInvalidWindowId = 1234567890;
   static_cast<mojom::WindowTree*>(tree)->PerformWindowMove(
       kChangeId, kInvalidWindowId, mojom::MoveLoopSource::MOUSE,
       gfx::Point(0, 0));
 
   EXPECT_EQ("ChangeCompleted id=8 sucess=false",
             SingleChangeToDescription(*embed_client->tracker()->changes()));
 }
 
+TEST_F(WindowTreeTest, SetCanAcceptEvents) {
+  TestWindowTreeClient* embed_client = nullptr;
+  WindowTree* tree = nullptr;
+  ServerWindow* window = nullptr;
+  EXPECT_NO_FATAL_FAILURE(SetupEventTargeting(&embed_client, &tree, &window));
+
+  EXPECT_TRUE(window->can_accept_events());
+  WindowTreeTestApi(tree).SetCanAcceptEvents(
+      ClientWindowIdForWindow(tree, window).id, false);
+  EXPECT_FALSE(window->can_accept_events());
+}
+
 }  // namespace test
 }  // namespace ws
 }  // namespace ui