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/gradients/SkLinearGradient.cpp b/src/effects/gradients/SkLinearGradient.cpp
index 5b351d3..21b415d 100644
--- a/src/effects/gradients/SkLinearGradient.cpp
+++ b/src/effects/gradients/SkLinearGradient.cpp
@@ -540,10 +540,10 @@
                                                                  tm));
     GrSamplerState sampler;
     shader->asNewCustomStage(context, &sampler);
-    GrAssert(NULL != sampler.getCustomStage());
+    GrAssert(NULL != sampler.getEffect());
     // const_cast and ref is a hack! Will remove when asNewCustomStage returns GrEffect*
-    sampler.getCustomStage()->ref();
-    return const_cast<GrEffect*>(sampler.getCustomStage());
+    sampler.getEffect()->ref();
+    return const_cast<GrEffect*>(sampler.getEffect());
 }
 
 /////////////////////////////////////////////////////////////////////
@@ -570,9 +570,9 @@
             return false;
         }
         matrix.postConcat(fPtsToUnit);
-        sampler->setCustomStage(stage, matrix);
+        sampler->setEffect(stage, matrix);
     } else {
-        sampler->setCustomStage(stage, fPtsToUnit);
+        sampler->setEffect(stage, fPtsToUnit);
     }
 
     return true;