Use GradFlags for gradient Flags in SkGradientShader

src/effects/gradients/SkGradientShaderPriv.h

Index: src/effects/gradients/SkGradientShaderPriv.h
diff --git a/src/effects/gradients/SkGradientShaderPriv.h b/src/effects/gradients/SkGradientShaderPriv.h
index 47e46acf848a87dfb50516b2b1c51faebb0dd997..02bb50bf5b37cfb77023d04cb07faba0bff6bf02 100644
--- a/src/effects/gradients/SkGradientShaderPriv.h
+++ b/src/effects/gradients/SkGradientShaderPriv.h
@@ -94,7 +94,7 @@ public:
         int                 fCount;
         SkShader::TileMode  fTileMode;
         SkUnitMapper*       fMapper;
-        uint32_t            fFlags;
+        uint32_t            fGradFlags;
     };
 
 public:
@@ -139,7 +139,7 @@ public:
     // also be filled with the gradient colors
     GpuColorType getGpuColorType(SkColor colors[3]) const;
 
-    uint32_t getFlags() const { return fGradFlags; }
+    uint32_t getGradFlags() const { return fGradFlags; }
 
 protected:
     SkGradientShaderBase(SkReadBuffer& );