Expand QCMS tests. Add Munsell test for transform accuracy

third_party/qcms/src/tests/qcms_test_util.h

+// 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 Chromium LICENSE file.
+
+#include "qcmsint.h"
+#include "qcmstypes.h"
+
+typedef int (*qcms_test_function)(size_t width,
+        size_t height,
+        int iterations,
+        const char *in_profile,
+        const char *out_profile,
+        const int force_software);
+
+enum QCMS_TEST_STATUS {
+    QCMS_TEST_DISABLED = 0,
+    QCMS_TEST_ENABLED = 1,
+};
+
+struct qcms_test_case {
+    char test_name[256];
+    qcms_test_function test_fn;
+    enum QCMS_TEST_STATUS status;
+};
+
+void generate_source_uint8_t(unsigned char *src, const size_t length, const size_t pixel_size);