Add Chromium-only Blender WebEngine parity work

blender-5.2.0/source/blender/blenkernel/BKE_cachefile.hh

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+/* SPDX-FileCopyrightText: 2016 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+#pragma once
+
+/** \file
+ * \ingroup bke
+ */
+
+namespace blender {
+
+struct CacheFile;
+struct CacheFileLayer;
+struct CacheReader;
+struct Depsgraph;
+struct Main;
+struct Object;
+struct Scene;
+
+void *BKE_cachefile_add(Main *bmain, const char *name);
+
+void BKE_cachefile_reload(Depsgraph *depsgraph, CacheFile *cache_file);
+
+void BKE_cachefile_eval(Main *bmain, Depsgraph *depsgraph, CacheFile *cache_file);
+
+bool BKE_cachefile_filepath_get(const Main *bmain,
+                                const Depsgraph *depsgraph,
+                                const CacheFile *cache_file,
+                                char r_filepath[/*FILE_MAX*/ 1024]);
+
+double BKE_cachefile_time_offset(const CacheFile *cache_file, double time, double fps);
+double BKE_cachefile_frame_offset(const CacheFile *cache_file, double time);
+
+/* Modifiers and constraints open and free readers through these. */
+void BKE_cachefile_reader_open(CacheFile *cache_file,
+                               CacheReader **reader,
+                               Object *object,
+                               const char *object_path);
+void BKE_cachefile_reader_free(CacheFile *cache_file, CacheReader **reader);
+
+/**
+ * Add a layer to the cache_file. Return NULL if the `filepath` is already that of an existing
+ * layer or if the number of layers exceeds the maximum allowed layer count.
+ */
+CacheFileLayer *BKE_cachefile_add_layer(CacheFile *cache_file,
+                                        const char filepath[/*FILE_MAX*/ 1024]);
+
+CacheFileLayer *BKE_cachefile_get_active_layer(CacheFile *cache_file);
+
+void BKE_cachefile_remove_layer(CacheFile *cache_file, CacheFileLayer *layer);
+
+}  // namespace blender