Wire up inset of SetUnderlaySurfaceOffsetAndExtendedHitArea

components/mus/ws/server_window_surface_manager.cc

 // Copyright 2015 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/server_window_surface_manager.h"
 
 #include "components/mus/ws/server_window.h"
 #include "components/mus/ws/server_window_delegate.h"
 #include "components/mus/ws/server_window_surface.h"
 
@@ skipping 21 matching lines @@
 ServerWindowSurface* ServerWindowSurfaceManager::GetUnderlaySurface() {
   return GetSurfaceByType(mojom::SURFACE_TYPE_UNDERLAY);
 }
 
 ServerWindowSurface* ServerWindowSurfaceManager::GetSurfaceByType(
     mojom::SurfaceType type) {
   auto iter = type_to_surface_map_.find(type);
   return iter == type_to_surface_map_.end() ? nullptr : iter->second.get();
 }
 
+bool ServerWindowSurfaceManager::HasSurfaceOfType(mojom::SurfaceType type) {
+  return type_to_surface_map_.count(type) > 0;
+}
+
 cc::SurfaceId ServerWindowSurfaceManager::GenerateId() {
   return surface_id_allocator_.GenerateId();
 }
 
 }  // namespace ws
 }  // namespace mus