GrCustomStage Renaming Part 2

GrSamplerState member rename
GrCustomStageUnitTest rename
some comment updates
Review URL: https://codereview.appspot.com/6771043

git-svn-id: http://skia.googlecode.com/svn/trunk@6078 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/SkTableColorFilter.cpp b/src/effects/SkTableColorFilter.cpp
index 71d56e2..cbbf7e1 100644
--- a/src/effects/SkTableColorFilter.cpp
+++ b/src/effects/SkTableColorFilter.cpp
@@ -347,7 +347,7 @@
 GrEffect* ColorTableEffect::TestCreate(SkRandom* random,
                                        GrContext* context,
                                        GrTexture* textures[]) {
-    return SkNEW_ARGS(ColorTableEffect, (textures[GrCustomStageUnitTest::kAlphaTextureIdx]));
+    return SkNEW_ARGS(ColorTableEffect, (textures[GrEffectUnitTest::kAlphaTextureIdx]));
 }
 
 GrEffect* SkTable_ColorFilter::asNewCustomStage(GrContext* context) const {