Move SkShader::fLocalMatrix into SkShader constructor.

gm/xfermodes.cpp

Index: gm/xfermodes.cpp
diff --git a/gm/xfermodes.cpp b/gm/xfermodes.cpp
index 24c48ee74720b0bf3e486a9b43058fc67e13ef18..16d6cbb34bda2811cb7886a9da3412ed7c9ba89f 100644
--- a/gm/xfermodes.cpp
+++ b/gm/xfermodes.cpp
@@ -216,12 +216,12 @@ protected:
 
         const SkScalar w = SkIntToScalar(W);
         const SkScalar h = SkIntToScalar(H);
-        SkShader* s = SkShader::CreateBitmapShader(fBG,
-                                                   SkShader::kRepeat_TileMode,
-                                                   SkShader::kRepeat_TileMode);
         SkMatrix m;
         m.setScale(SkIntToScalar(6), SkIntToScalar(6));
-        s->setLocalMatrix(m);
+        SkShader* s = SkShader::CreateBitmapShader(fBG,
+                                                   SkShader::kRepeat_TileMode,
+                                                   SkShader::kRepeat_TileMode,
+                                                   &m);
 
         SkPaint labelP;
         labelP.setAntiAlias(true);