mus Window Server: implement event capture

components/mus/ws/default_access_policy.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 "components/mus/ws/default_access_policy.h"
 
 #include "components/mus/ws/access_policy_delegate.h"
 #include "components/mus/ws/server_window.h"
 
 namespace mus {
@@ skipping 105 matching lines @@
     const ServerWindow* window) const {
   return WasCreatedByThisConnection(window);
 }
 
 bool DefaultAccessPolicy::CanSetWindowTextInputState(
     const ServerWindow* window) const {
   return WasCreatedByThisConnection(window) ||
          delegate_->HasRootForAccessPolicy(window);
 }
 
+bool DefaultAccessPolicy::CanSetCapture(const ServerWindow* window) const {
+  return WasCreatedByThisConnection(window) ||
+         delegate_->HasRootForAccessPolicy(window);
+}
+
 bool DefaultAccessPolicy::CanSetFocus(const ServerWindow* window) const {
   return WasCreatedByThisConnection(window) ||
          delegate_->HasRootForAccessPolicy(window);
 }
 
 bool DefaultAccessPolicy::CanSetClientArea(const ServerWindow* window) const {
   return WasCreatedByThisConnection(window) ||
          delegate_->HasRootForAccessPolicy(window);
 }
 
@@ skipping 45 matching lines @@
 }
 
 bool DefaultAccessPolicy::IsDescendantOfEmbedRoot(
     const ServerWindow* window) const {
   return delegate_->IsDescendantOfEmbedRoot(window);
 }
 
 }  // namespace ws
 
 }  // namespace mus