Move SkNoncopyable to include/private.

Change-Id: I62f60ea52faeebddecacf03d9429ac3f7c516b8e
Reviewed-on: https://skia-review.googlesource.com/141823
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
diff --git a/src/ports/SkOSFile_win.cpp b/src/ports/SkOSFile_win.cpp
index f76b0bc..0364714 100644
--- a/src/ports/SkOSFile_win.cpp
+++ b/src/ports/SkOSFile_win.cpp
@@ -10,6 +10,7 @@
 
 #include "SkLeanWindows.h"
 #include "SkMalloc.h"
+#include "SkNoncopyable.h"
 #include "SkOSFile.h"
 #include "SkStringUtils.h"
 #include "SkTFitsIn.h"