Revert of Make GrDrawState and GrPaint take GrEffect* instead of GrEffectRef*.

src/core/SkShader.cpp

Index: src/core/SkShader.cpp
diff --git a/src/core/SkShader.cpp b/src/core/SkShader.cpp
index 71781ee0d8cc2a38d016d7679a7fb8f9c246f57d..18fb0d2584a4a19e545a27db58528ae4a32891d9 100644
--- a/src/core/SkShader.cpp
+++ b/src/core/SkShader.cpp
@@ -210,7 +210,7 @@
 
 bool SkShader::asNewEffect(GrContext* context, const SkPaint& paint,
                            const SkMatrix* localMatrixOrNull, GrColor* grColor,
-                           GrEffect** grEffect)  const {
+                           GrEffectRef** grEffect)  const {
     return false;
 }
 
@@ -361,7 +361,7 @@
 
 bool SkColorShader::asNewEffect(GrContext* context, const SkPaint& paint,
                                      const SkMatrix* localMatrix, GrColor* grColor,
-                                     GrEffect** grEffect) const {
+                                     GrEffectRef** grEffect) const {
     SkDEBUGFAIL("Should not call in GPU-less build");
     return false;
 }