Upstreaming DropShadowImageFilter into skia, from Blink

GM imagefiltersbase will need rebaselining after this change

R=senorblanco@chromium.org

Committed: https://code.google.com/p/skia/source/detail?r=10583

Review URL: https://codereview.chromium.org/22258005

git-svn-id: http://skia.googlecode.com/svn/trunk/gyp@10626 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/effects.gypi b/effects.gypi
index 05ce569..84d38ac 100644
--- a/effects.gypi
+++ b/effects.gypi
@@ -27,6 +27,7 @@
     '<(skia_src_path)/effects/SkDashPathEffect.cpp',
     '<(skia_src_path)/effects/SkDiscretePathEffect.cpp',
     '<(skia_src_path)/effects/SkDisplacementMapEffect.cpp',
+    '<(skia_src_path)/effects/SkDropShadowImageFilter.cpp',
     '<(skia_src_path)/effects/SkEmbossMask.cpp',
     '<(skia_src_path)/effects/SkEmbossMask.h',
     '<(skia_src_path)/effects/SkEmbossMask_Table.h',
@@ -90,6 +91,7 @@
     '<(skia_include_path)/effects/SkDiscretePathEffect.h',
     '<(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',