Revert "Don't require AA in order to use shader-based clips"

src/gpu/GrClipMaskManager.cpp

Index: src/gpu/GrClipMaskManager.cpp
diff --git a/src/gpu/GrClipMaskManager.cpp b/src/gpu/GrClipMaskManager.cpp
index a39c4a3cdfbf855295c043abd095c082e9457b60..6635436e8745d088e1e83dd05f047006b48de0f6 100644
--- a/src/gpu/GrClipMaskManager.cpp
+++ b/src/gpu/GrClipMaskManager.cpp
@@ -292,7 +292,8 @@ bool GrClipMaskManager::setupClipping(GrPipelineBuilder* pipelineBuilder,
         SkVector clipToRTOffset = { SkIntToScalar(-clip.origin().fX),
                                     SkIntToScalar(-clip.origin().fY) };
         if (elements.isEmpty() ||
-            this->installClipEffects(pipelineBuilder, arfp, elements, clipToRTOffset, devBounds)) {
+            (requiresAA && this->installClipEffects(pipelineBuilder, arfp, elements, clipToRTOffset,
+                                                    devBounds))) {
             SkIRect scissorSpaceIBounds(clipSpaceIBounds);
             scissorSpaceIBounds.offset(-clip.origin());
             if (NULL == devBounds ||