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/gpu/effects/GrTextureDomainEffect.cpp b/src/gpu/effects/GrTextureDomainEffect.cpp
index 289b621..1319814 100644
--- a/src/gpu/effects/GrTextureDomainEffect.cpp
+++ b/src/gpu/effects/GrTextureDomainEffect.cpp
@@ -117,8 +117,8 @@
 GrEffect* GrTextureDomainEffect::TestCreate(SkRandom* random,
                                             GrContext* context,
                                             GrTexture* textures[]) {
-    int texIdx = random->nextBool() ? GrCustomStageUnitTest::kSkiaPMTextureIdx :
-                                      GrCustomStageUnitTest::kAlphaTextureIdx;
+    int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx :
+                                      GrEffectUnitTest::kAlphaTextureIdx;
     GrRect domain;
     domain.fLeft = random->nextUScalar1();
     domain.fRight = random->nextRangeScalar(domain.fLeft, SK_Scalar1);