Add Chromium-only Blender WebEngine parity work

blender-5.2.0/source/blender/blenlib/BLI_time.h

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+/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup bli
+ * \brief Platform independent time functions.
+ */
+
+#pragma once
+
+#include <cstdint>
+
+namespace blender {
+
+/**
+ * Return an indication of time, expressed as seconds since some fixed point.
+ * Successive calls are guaranteed to generate values greater than or equal to the last call.
+ */
+double BLI_time_now_seconds();
+
+/** Integer version of #BLI_time_now_seconds. */
+int64_t BLI_time_now_seconds_i();
+
+/**
+ * Platform-independent sleep function.
+ * \param ms: Number of milliseconds to sleep
+ */
+void BLI_time_sleep_ms(int ms);
+
+/**
+ * Platform-independent high-resolution sleep function.
+ * Using this function can have advantages over \see BLI_time_sleep_ms on Windows due to a default
+ * non-precise sleep resolution of 15.25ms.
+ * \param us: Number of microseconds to sleep
+ */
+void BLI_time_sleep_precise_us(int us);
+
+}  // namespace blender