Turn RootWindowController Menus Async

components/mus/public/cpp/lib/window_tree_client_impl.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/public/cpp/lib/window_tree_client_impl.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 178 matching lines @@
 }
 
 void WindowTreeClientImpl::WaitForEmbed() {
   DCHECK(roots_.empty());
   // OnEmbed() is the first function called.
   binding_.WaitForIncomingMethodCall();
   // TODO(sky): deal with pipe being closed before we get OnEmbed().
 }
 
 void WindowTreeClientImpl::DestroyWindow(Window* window) {
+  // TODO(jonross): Also clear the focused window (crbug.com/611983)
+  if (window == capture_window_) {
+    InFlightCaptureChange reset_change(this, nullptr);
+    ApplyServerChangeToExistingInFlightChange(reset_change);
+    // Normally just updating the queued changes is sufficient. However since
+    // |window| is being destroyed, it will not be possible to notify its
+    // observers
+    // of the lost capture. Update local state now.
+    LocalSetCapture(nullptr);
+  }
   DCHECK(tree_);
   const uint32_t change_id = ScheduleInFlightChange(base::WrapUnique(
       new CrashInFlightChange(window, ChangeType::DELETE_WINDOW)));
   tree_->DeleteWindow(change_id, server_id(window));
 }
 
 void WindowTreeClientImpl::AddChild(Window* parent, Id child_id) {
   DCHECK(tree_);
   const uint32_t change_id = ScheduleInFlightChange(
       base::WrapUnique(new CrashInFlightChange(parent, ChangeType::ADD_CHILD)));
@@ skipping 890 matching lines @@
 
 void WindowTreeClientImpl::SetUnderlaySurfaceOffsetAndExtendedHitArea(
     Window* window,
     const gfx::Vector2d& offset,
     const gfx::Insets& hit_area) {
   window_manager_internal_client_->SetUnderlaySurfaceOffsetAndExtendedHitArea(
       server_id(window), offset.x(), offset.y(), mojo::Insets::From(hit_area));
 }
 
 }  // namespace mus