mus: Allow embedder to intercept events.

components/mus/ws/window_tree_client_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 <stddef.h>
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 51 matching lines @@
 
 bool EmbedUrl(shell::Connector* connector,
               WindowTree* tree,
               const String& url,
               Id root_id) {
   bool result = false;
   base::RunLoop run_loop;
   {
     mojom::WindowTreeClientPtr client;
     connector->ConnectToInterface(url.get(), &client);
-    tree->Embed(root_id, std::move(client),
+    const uint32_t embed_flags = 0;
+    tree->Embed(root_id, std::move(client), embed_flags,
                 base::Bind(&EmbedCallbackImpl, &run_loop, &result));
   }
   run_loop.Run();
   return result;
 }
 
 bool Embed(WindowTree* tree, Id root_id, mojom::WindowTreeClientPtr client) {
   bool result = false;
   base::RunLoop run_loop;
   {
-    tree->Embed(root_id, std::move(client),
+    const uint32_t embed_flags = 0;
+    tree->Embed(root_id, std::move(client), embed_flags,
                 base::Bind(&EmbedCallbackImpl, &run_loop, &result));
   }
   run_loop.Run();
   return result;
 }
 
 void GetWindowTree(WindowTree* tree,
                    Id window_id,
                    std::vector<TestWindow>* windows) {
   base::RunLoop run_loop;
@@ skipping 1933 matching lines @@
 
 // TODO(sky): make sure coverage of what was
 // WindowManagerTest.SecondEmbedRoot_InitService and
 // WindowManagerTest.MultipleEmbedRootsBeforeWTHReady gets added to window
 // manager
 // tests.
 
 }  // namespace test
 }  // namespace ws
 }  // namespace mus