make most of SkColorPriv.h private

created new file src/core/SkColorData.h for
internal consumption. Note that many of the
functions there are unused as well.

Bug: skia: 6898
R: reed@google.com
Change-Id: I25bfd5a9c21f53558c4ca65a77eb5d322d897c6d
Reviewed-on: https://skia-review.googlesource.com/46848
Commit-Queue: Cary Clark <caryclark@google.com>
Reviewed-by: Mike Reed <reed@google.com>
diff --git a/src/core/SkAAClip.cpp b/src/core/SkAAClip.cpp
index 7ef82ed..51891c9 100644
--- a/src/core/SkAAClip.cpp
+++ b/src/core/SkAAClip.cpp
@@ -8,7 +8,7 @@
 #include "SkAAClip.h"
 #include "SkAtomics.h"
 #include "SkBlitter.h"
-#include "SkColorPriv.h"
+#include "SkColorData.h"
 #include "SkPath.h"
 #include "SkScan.h"
 #include "SkUtils.h"