diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/opts/SkXfermode_opts_none.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/src/opts/SkXfermode_opts_none.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,17 @@
+#include "SkXfermode.h"
+#include "SkXfermode_proccoeff.h"
+
+// The prototypes below are for Clang
+extern SkProcCoeffXfermode* SkPlatformXfermodeFactory(const ProcCoeff& rec,
+                                                      SkXfermode::Mode mode);
+
+extern SkXfermodeProc SkPlatformXfermodeProcFactory(SkXfermode::Mode mode);
+
+SkProcCoeffXfermode* SkPlatformXfermodeFactory(const ProcCoeff& rec,
+                                               SkXfermode::Mode mode) {
+    return NULL;
+}
+
+SkXfermodeProc SkPlatformXfermodeProcFactory(SkXfermode::Mode mode) {
+    return NULL;
+}