Goodbye GrEffectRef.

Also, reworked some var names and comments around SkShader::asNewEffect.

R=robertphillips@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/374923002
diff --git a/tests/GLProgramsTest.cpp b/tests/GLProgramsTest.cpp
index 8ead5b8..6ee4890 100644
--- a/tests/GLProgramsTest.cpp
+++ b/tests/GLProgramsTest.cpp
@@ -166,7 +166,7 @@
         bool useFixedFunctionTexturing = this->shouldUseFixedFunctionTexturing();
 
         for (int s = 0; s < numStages;) {
-            SkAutoTUnref<const GrEffectRef> effect(GrEffectTestFactory::CreateStage(
+            SkAutoTUnref<const GrEffect> effect(GrEffectTestFactory::CreateStage(
                                                                             &random,
                                                                             this->getContext(),
                                                                             *this->caps(),