Move SkShader::fLocalMatrix into SkShader constructor.

samplecode/SampleHairModes.cpp

Index: samplecode/SampleHairModes.cpp
diff --git a/samplecode/SampleHairModes.cpp b/samplecode/SampleHairModes.cpp
index 4aa8e0208fea318fc9aa1e2ce4f3d07fee234a61..878857703e9c0a4f416746b26158299b89a500fb 100644
--- a/samplecode/SampleHairModes.cpp
+++ b/samplecode/SampleHairModes.cpp
@@ -66,14 +66,13 @@ static SkShader* make_bg_shader() {
     *bm.getAddr32(0, 0) = *bm.getAddr32(1, 1) = 0xFFFFFFFF;
     *bm.getAddr32(1, 0) = *bm.getAddr32(0, 1) = SkPackARGB32(0xFF, 0xCC, 0xCC, 0xCC);
 
-    SkShader* s = SkShader::CreateBitmapShader(bm,
-                                               SkShader::kRepeat_TileMode,
-                                               SkShader::kRepeat_TileMode);
-
     SkMatrix m;
     m.setScale(SkIntToScalar(6), SkIntToScalar(6));
-    s->setLocalMatrix(m);
-    return s;
+
+    return SkShader::CreateBitmapShader(bm,
+                                        SkShader::kRepeat_TileMode,
+                                        SkShader::kRepeat_TileMode,
+                                        &m);
 }
 
 class HairModesView : public SampleView {