rename GrDrawTargetCaps to GrCaps

src/effects/SkArithmeticMode_gpu.h

Index: src/effects/SkArithmeticMode_gpu.h
diff --git a/src/effects/SkArithmeticMode_gpu.h b/src/effects/SkArithmeticMode_gpu.h
index 9f6953e2381a037f03de2535d844f8c467b599c6..a8e32ab03af8fae66bd5781f1ece9b1940c50d4e 100644
--- a/src/effects/SkArithmeticMode_gpu.h
+++ b/src/effects/SkArithmeticMode_gpu.h
@@ -87,12 +87,12 @@ public:
 private:
     GrArithmeticXPFactory(float k1, float k2, float k3, float k4, bool enforcePMColor); 
 
-    GrXferProcessor* onCreateXferProcessor(const GrDrawTargetCaps& caps,
+    GrXferProcessor* onCreateXferProcessor(const GrCaps& caps,
                                            const GrProcOptInfo& colorPOI,
                                            const GrProcOptInfo& coveragePOI,
                                            const GrDeviceCoordTexture* dstCopy) const override; 
 
-    bool willReadDstColor(const GrDrawTargetCaps& caps,
+    bool willReadDstColor(const GrCaps& caps,
                           const GrProcOptInfo& colorPOI,
                           const GrProcOptInfo& coveragePOI) const override {
         return true;