Move SkShader::fLocalMatrix into SkShader constructor.

samplecode/SampleColorFilter.cpp

Index: samplecode/SampleColorFilter.cpp
diff --git a/samplecode/SampleColorFilter.cpp b/samplecode/SampleColorFilter.cpp
index 2dc2e427dcf0292c6415eb2d6539ece1e5b302ce..fb5d42744f2a502b6ff5265f932f1c906e59fcef 100644
--- a/samplecode/SampleColorFilter.cpp
+++ b/samplecode/SampleColorFilter.cpp
@@ -92,13 +92,10 @@ SkShader* createChecker() {
     bm.lockPixels();
     *bm.getAddr32(0, 0) = *bm.getAddr32(1, 1) = SkPreMultiplyColor(0xFFFFFFFF);
     *bm.getAddr32(0, 1) = *bm.getAddr32(1, 0) = SkPreMultiplyColor(0xFFCCCCCC);
-    SkShader* s = SkShader::CreateBitmapShader(bm, SkShader::kRepeat_TileMode,
-                                               SkShader::kRepeat_TileMode);
-
     SkMatrix m;
     m.setScale(12, 12);
-    s->setLocalMatrix(m);
-    return s;
+    return SkShader::CreateBitmapShader(bm, SkShader::kRepeat_TileMode,
+                                        SkShader::kRepeat_TileMode, &m);
 }
 
 static SkBitmap createBitmap(int n) {