Move SkShader::fLocalMatrix into SkShader constructor.

gm/xfermodes3.cpp

Index: gm/xfermodes3.cpp
diff --git a/gm/xfermodes3.cpp b/gm/xfermodes3.cpp
index 1863a3e61067b70abe6d67b5fbd9cceb426142cc..d5790d5e8a046e030c8352bfcceaf409d168286a 100644
--- a/gm/xfermodes3.cpp
+++ b/gm/xfermodes3.cpp
@@ -195,12 +195,12 @@ private:
         SkAutoLockPixels bgAlp(bg);
         memcpy(bg.getPixels(), kCheckData, sizeof(kCheckData));
 
-        fBGShader.reset(SkShader::CreateBitmapShader(bg,
-                                                     SkShader::kRepeat_TileMode,
-                                                     SkShader::kRepeat_TileMode));
         SkMatrix lm;
         lm.setScale(SkIntToScalar(kCheckSize), SkIntToScalar(kCheckSize));
-        fBGShader->setLocalMatrix(lm);
+        fBGShader.reset(SkShader::CreateBitmapShader(bg,
+                                                     SkShader::kRepeat_TileMode,
+                                                     SkShader::kRepeat_TileMode,
+                                                     &lm));
 
         SkPaint bmpPaint;
         static const SkPoint kCenter = { SkIntToScalar(kSize) / 2, SkIntToScalar(kSize) / 2 };