Add Chromium-only Blender WebEngine parity work

blender-5.2.0/build_files/cmake/Modules/FindNanoVDB.cmake

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+# SPDX-FileCopyrightText: 2020 Blender Authors
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
+# - Find NanoVDB library
+# Find the native NanoVDB includes and library
+# This module defines
+#  NANOVDB_INCLUDE_DIRS, where to find nanovdb.h, Set when
+#                         NANOVDB_INCLUDE_DIR is found.
+#  NANOVDB_ROOT_DIR, The base directory to search for NanoVDB.
+#                     This can also be an environment variable.
+#  NANOVDB_FOUND, If false, do not try to use NanoVDB.
+
+# If `NANOVDB_ROOT_DIR` was defined in the environment, use it.
+if(DEFINED NANOVDB_ROOT_DIR)
+  # Pass.
+elseif(DEFINED ENV{NANOVDB_ROOT_DIR})
+  set(NANOVDB_ROOT_DIR $ENV{NANOVDB_ROOT_DIR})
+else()
+  set(NANOVDB_ROOT_DIR "")
+endif()
+
+set(_nanovdb_SEARCH_DIRS
+  ${NANOVDB_ROOT_DIR}
+)
+
+find_path(NANOVDB_INCLUDE_DIR
+  NAMES
+    nanovdb/NanoVDB.h
+  HINTS
+    ${_nanovdb_SEARCH_DIRS}
+  PATH_SUFFIXES
+    include
+)
+
+# handle the QUIETLY and REQUIRED arguments and set NANOVDB_FOUND to TRUE if
+# all listed variables are TRUE
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(NanoVDB DEFAULT_MSG
+    NANOVDB_INCLUDE_DIR)
+
+if(NANOVDB_FOUND)
+  set(NANOVDB_INCLUDE_DIRS ${NANOVDB_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(
+  NANOVDB_INCLUDE_DIR
+)
+
+unset(_nanovdb_SEARCH_DIRS)