Fix mixed samples stencil clip

src/gpu/GrPipeline.h

Index: src/gpu/GrPipeline.h
diff --git a/src/gpu/GrPipeline.h b/src/gpu/GrPipeline.h
index 8781058247fe438300ac2f5cb919c389aea31c1b..772fc452d73e52905edbab5a08986d2ed98f5b17 100644
--- a/src/gpu/GrPipeline.h
+++ b/src/gpu/GrPipeline.h
@@ -20,6 +20,7 @@
 #include "SkMatrix.h"
 #include "SkRefCnt.h"
 
+class GrAppliedClip;
 class GrBatch;
 class GrDeviceCoordTexture;
 class GrPipelineBuilder;
@@ -38,7 +39,7 @@ public:
         const GrCaps*               fCaps;
         GrProcOptInfo               fColorPOI;
         GrProcOptInfo               fCoveragePOI;
-        const GrScissorState*       fScissor;
+        const GrAppliedClip*        fClip;
         GrXferProcessor::DstTexture fDstTexture;
     };
 
@@ -125,6 +126,7 @@ public:
 
     bool isHWAntialiasState() const { return SkToBool(fFlags & kHWAA_Flag); }
     bool snapVerticesToPixelCenters() const { return SkToBool(fFlags & kSnapVertices_Flag); }
+    bool hasCoCenteredSamples() const { return SkToBool(fFlags & kCoCenteredSamples_Flag); }
 
     GrXferBarrierType xferBarrierType(const GrCaps& caps) const {
         return fXferProcessor->xferBarrierType(fRenderTarget.get(), caps);
@@ -166,6 +168,7 @@ private:
     enum Flags {
         kHWAA_Flag              = 0x1,
         kSnapVertices_Flag      = 0x2,
+        kCoCenteredSamples_Flag = 0x4
     };
 
     typedef GrPendingIOResource<GrRenderTarget, kWrite_GrIOType> RenderTarget;