Add luminance mask transfer modes.

gyp/effects.gypi

 # Include this gypi to include all 'effects' files
 # The parent gyp/gypi file must define:
 #       'skia_src_path'     e.g. skia/trunk/src
 #       'skia_include_path' e.g. skia/trunk/include
 #
 # The skia build defines these in common_variables.gypi.
 #
 {
   'sources': [
     '<(skia_src_path)/effects/Sk1DPathEffect.cpp',
@@ skipping 21 matching lines @@
     '<(skia_src_path)/effects/SkEmbossMask.h',
     '<(skia_src_path)/effects/SkEmbossMask_Table.h',
     '<(skia_src_path)/effects/SkEmbossMaskFilter.cpp',
     '<(skia_src_path)/effects/SkGpuBlurUtils.h',
     '<(skia_src_path)/effects/SkGpuBlurUtils.cpp',
     '<(skia_src_path)/effects/SkKernel33MaskFilter.cpp',
     '<(skia_src_path)/effects/SkLayerDrawLooper.cpp',
     '<(skia_src_path)/effects/SkLayerRasterizer.cpp',
     '<(skia_src_path)/effects/SkLerpXfermode.cpp',
     '<(skia_src_path)/effects/SkLightingImageFilter.cpp',
+    '<(skia_src_path)/effects/SkLumaXfermode.cpp',
     '<(skia_src_path)/effects/SkMagnifierImageFilter.cpp',
     '<(skia_src_path)/effects/SkMatrixConvolutionImageFilter.cpp',
     '<(skia_src_path)/effects/SkMergeImageFilter.cpp',
     '<(skia_src_path)/effects/SkMorphologyImageFilter.cpp',
     '<(skia_src_path)/effects/SkOffsetImageFilter.cpp',
     '<(skia_src_path)/effects/SkPaintFlagsDrawFilter.cpp',
     '<(skia_src_path)/effects/SkPerlinNoiseShader.cpp',
     '<(skia_src_path)/effects/SkPixelXorXfermode.cpp',
     '<(skia_src_path)/effects/SkPorterDuff.cpp',
     '<(skia_src_path)/effects/SkRectShaderImageFilter.cpp',
@@ skipping 40 matching lines @@
     '<(skia_include_path)/effects/SkDisplacementMapEffect.h',
     '<(skia_include_path)/effects/SkDrawExtraPathEffect.h',
     '<(skia_include_path)/effects/SkDropShadowImageFilter.h',
     '<(skia_include_path)/effects/SkEmbossMaskFilter.h',
     '<(skia_include_path)/effects/SkGradientShader.h',
     '<(skia_include_path)/effects/SkKernel33MaskFilter.h',
     '<(skia_include_path)/effects/SkLayerDrawLooper.h',
     '<(skia_include_path)/effects/SkLayerRasterizer.h',
     '<(skia_include_path)/effects/SkLerpXfermode.h',
     '<(skia_include_path)/effects/SkLightingImageFilter.h',
+    '<(skia_include_path)/effects/SkLumaXfermode.h',
     '<(skia_include_path)/effects/SkOffsetImageFilter.h',
     '<(skia_include_path)/effects/SkMorphologyImageFilter.h',
     '<(skia_include_path)/effects/SkPaintFlagsDrawFilter.h',
     '<(skia_include_path)/effects/SkPerlinNoiseShader.h',
     '<(skia_include_path)/effects/SkPixelXorXfermode.h',
     '<(skia_include_path)/effects/SkPorterDuff.h',
     '<(skia_include_path)/effects/SkRectShaderImageFilter.h',
     '<(skia_include_path)/effects/SkStippleMaskFilter.h',
     '<(skia_include_path)/effects/SkTableColorFilter.h',
     '<(skia_include_path)/effects/SkTableMaskFilter.h',
     '<(skia_include_path)/effects/SkTransparentShader.h',
     '<(skia_include_path)/effects/SkMagnifierImageFilter.h',
   ],
 }
 
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