Patches on top of Radu's latest.

    patch from issue 1273033005 at patchset 120001 (http://crrev.com/1273033005#ps120001)

BUG=skia:

Review URL: https://codereview.chromium.org/1288323004
diff --git a/src/opts/SkOpts_ssse3.cpp b/src/opts/SkOpts_ssse3.cpp
index 7e056a0..c65f0cb 100644
--- a/src/opts/SkOpts_ssse3.cpp
+++ b/src/opts/SkOpts_ssse3.cpp
@@ -8,11 +8,13 @@
 #include "SkOpts.h"
 #define SK_OPTS_NS ssse3
 #include "SkBlitMask_opts.h"
+#include "SkColorCubeFilter_opts.h"
 #include "SkXfermode_opts.h"
 
 namespace SkOpts {
     void Init_ssse3() {
         create_xfermode = SkCreate4pxXfermode;
         blit_mask_d32_a8 = ssse3::blit_mask_d32_a8;
+        color_cube_filter_span = ssse3::color_cube_filter_span;
     }
 }