Remove GrEffect::CreateEffectRef and GrEffect::AutoEffectRef.

R=robertphillips@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/371103003
diff --git a/src/gpu/effects/GrTextureDomain.cpp b/src/gpu/effects/GrTextureDomain.cpp
index 656000b..cb2ad5f 100644
--- a/src/gpu/effects/GrTextureDomain.cpp
+++ b/src/gpu/effects/GrTextureDomain.cpp
@@ -208,14 +208,12 @@
         return GrSimpleTextureEffect::Create(texture, matrix, filterMode);
     } else {
 
-        AutoEffectUnref effect(SkNEW_ARGS(GrTextureDomainEffect, (texture,
-                                                                  matrix,
-                                                                  domain,
-                                                                  mode,
-                                                                  filterMode,
-                                                                  coordSet)));
-        return CreateEffectRef(effect);
-
+        return SkNEW_ARGS(GrTextureDomainEffect, (texture,
+                                                  matrix,
+                                                  domain,
+                                                  mode,
+                                                  filterMode,
+                                                  coordSet));
     }
 }