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/core/SkOpts.cpp b/src/core/SkOpts.cpp
index 890d9c7..d5308e7 100644
--- a/src/core/SkOpts.cpp
+++ b/src/core/SkOpts.cpp
@@ -11,6 +11,7 @@
 #define SK_OPTS_NS portable
 #include "SkBlitMask_opts.h"
 #include "SkBlurImageFilter_opts.h"
+#include "SkColorCubeFilter_opts.h"
 #include "SkFloatingPoint_opts.h"
 #include "SkMorphologyImageFilter_opts.h"
 #include "SkTextureCompressor_opts.h"
@@ -38,6 +39,7 @@
     decltype(memset16)               memset16 = portable::memset16;
     decltype(memset32)               memset32 = portable::memset32;
     decltype(create_xfermode) create_xfermode = SkCreate4pxXfermode;
+    decltype(color_cube_filter_span) color_cube_filter_span = portable::color_cube_filter_span;
 
     decltype(box_blur_xx) box_blur_xx = portable::box_blur_xx;
     decltype(box_blur_xy) box_blur_xy = portable::box_blur_xy;