[qcms] Add a color profile white point transform api

third_party/qcms/src/qcms.h

Index: third_party/qcms/src/qcms.h
diff --git a/third_party/qcms/src/qcms.h b/third_party/qcms/src/qcms.h
index 19958fd0bcb3788d1256004bc81922c2dd596e87..efe5cd64f4a680ba9e702f1ec8d9b77760818bab 100644
--- a/third_party/qcms/src/qcms.h
+++ b/third_party/qcms/src/qcms.h
@@ -114,6 +114,7 @@ qcms_bool qcms_profile_is_bogus(qcms_profile *profile);
 qcms_intent qcms_profile_get_rendering_intent(qcms_profile *profile);
 qcms_color_space qcms_profile_get_color_space(qcms_profile *profile);
 unsigned qcms_profile_get_version(qcms_profile *profile);
+qcms_bool qcms_profile_white_transform(qcms_profile *profile, float XYZ[3]);
 
 qcms_bool qcms_profile_match(qcms_profile *p1, qcms_profile *p2);
 const char* qcms_profile_get_description(qcms_profile *profile);