add localMatrix to gradient Descriptor

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 ca0f417e391c131b7344137bb65c0548c1776e3d..1787e243886068cb31154d2ab21d7399a603c5c6 100644
--- a/src/effects/gradients/SkGradientShaderPriv.h
+++ b/src/effects/gradients/SkGradientShaderPriv.h
@@ -89,6 +89,7 @@ public:
             fTileMode = SkShader::kClamp_TileMode;
         }
 
+        const SkMatrix*     fLocalMatrix;
         const SkColor*      fColors;
         const SkScalar*     fPos;
         int                 fCount;
@@ -97,7 +98,7 @@ public:
     };
 
 public:
-    SkGradientShaderBase(const Descriptor& desc, const SkMatrix* localMatrix);
+    SkGradientShaderBase(const Descriptor& desc);
     virtual ~SkGradientShaderBase();
 
     // The cache is initialized on-demand when getCache16/32 is called.