GrCustomStage Renaming Part 3

Rename all things *CUSTOM_STAGE*, customStage*, and other miscellany

R=robertphillips@google.com
Review URL: https://codereview.appspot.com/6769048

git-svn-id: http://skia.googlecode.com/svn/trunk@6081 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/effects/GrSingleTextureEffect.h b/src/gpu/effects/GrSingleTextureEffect.h
index 92ab92a..230bf5b 100644
--- a/src/gpu/effects/GrSingleTextureEffect.h
+++ b/src/gpu/effects/GrSingleTextureEffect.h
@@ -37,7 +37,7 @@
     virtual const GrProgramStageFactory& getFactory() const SK_OVERRIDE;
 
 private:
-    GR_DECLARE_CUSTOM_STAGE_TEST;
+    GR_DECLARE_EFFECT_TEST;
 
     GrTextureAccess fTextureAccess;