mus: Implement Window Server Capture

components/mus/window_manager_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/window_manager_access_policy.h"
 
 #include "components/mus/access_policy_delegate.h"
 #include "components/mus/server_view.h"
 
 namespace mus {
@@ skipping 65 matching lines @@
 bool WindowManagerAccessPolicy::CanSetViewProperties(
     const ServerView* view) const {
   return view->id().connection_id == connection_id_;
 }
 
 bool WindowManagerAccessPolicy::CanSetViewTextInputState(
     const ServerView* view) const {
   return view->id().connection_id == connection_id_;
 }
 
+bool WindowManagerAccessPolicy::CanSetCapture(const ServerView* view) const {
+  return true;
+}
+
 bool WindowManagerAccessPolicy::CanSetFocus(const ServerView* view) const {
   return true;
 }
 
 bool WindowManagerAccessPolicy::ShouldNotifyOnHierarchyChange(
     const ServerView* view,
     const ServerView** new_parent,
     const ServerView** old_parent) const {
   // Notify if we've already told the window manager about the view, or if we've
   // already told the window manager about the parent. The later handles the
   // case of a view that wasn't parented to the root getting added to the root.
   return IsViewKnown(view) || (*new_parent && IsViewKnown(*new_parent));
 }
 
 const ServerView* WindowManagerAccessPolicy::GetViewForFocusChange(
     const ServerView* focused) {
   return focused;
 }
 
 bool WindowManagerAccessPolicy::IsViewKnown(const ServerView* view) const {
   return delegate_->IsViewKnownForAccessPolicy(view);
 }
 
 }  // namespace mus