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

tests/GpuColorFilterTest.cpp

Index: tests/GpuColorFilterTest.cpp
diff --git a/tests/GpuColorFilterTest.cpp b/tests/GpuColorFilterTest.cpp
index cdb5ef3cdd07463c234102a575392bc6311bf51f..9ba943193974b86dfaf7bb6eb53db0b7f1c10399 100644
--- a/tests/GpuColorFilterTest.cpp
+++ b/tests/GpuColorFilterTest.cpp
@@ -101,7 +101,7 @@
         SkAutoTUnref<GrEffectRef> grEffect(cf->asNewEffect(grContext));
         GrColor color = test.inputColor;
         uint32_t components = test.inputComponents;
-        grEffect->getConstantColorComponents(&color, &components);
+        grEffect->get()->getConstantColorComponents(&color, &components);
 
         REPORTER_ASSERT(reporter, filterColor(color, components) == test.outputColor);
         REPORTER_ASSERT(reporter, test.outputComponents == components);