Move SkShader::fLocalMatrix into SkShader constructor.

gm/gradient_matrix.cpp

Index: gm/gradient_matrix.cpp
diff --git a/gm/gradient_matrix.cpp b/gm/gradient_matrix.cpp
index d1d0e42d6ea163619a3be64a2cb6ba861e938859..b2bc5d1cd8e709fc5e62ef7e2f2c402d2f85391a 100644
--- a/gm/gradient_matrix.cpp
+++ b/gm/gradient_matrix.cpp
@@ -61,21 +61,22 @@ static const SkScalar TESTGRID_Y = SkIntToScalar(200);
 
 static const int IMAGES_X = 4;             // number of images per row
 
-static SkShader* make_linear_gradient(const SkPoint pts[2]) {
+static SkShader* make_linear_gradient(const SkPoint pts[2], const SkMatrix& localMatrix) {
     return SkGradientShader::CreateLinear(pts, gColors, NULL, SK_ARRAY_COUNT(gColors),
-                                          SkShader::kClamp_TileMode, NULL);
+                                          SkShader::kClamp_TileMode, NULL, 0, &localMatrix);
 }
 
-static SkShader* make_radial_gradient(const SkPoint pts[2]) {
+static SkShader* make_radial_gradient(const SkPoint pts[2], const SkMatrix& localMatrix) {
     SkPoint center;
     center.set(SkScalarAve(pts[0].fX, pts[1].fX),
                SkScalarAve(pts[0].fY, pts[1].fY));
     float radius = (center - pts[0]).length();
     return SkGradientShader::CreateRadial(center, radius, gColors, NULL, SK_ARRAY_COUNT(gColors),
-                                          SkShader::kClamp_TileMode, NULL);
+                                          SkShader::kClamp_TileMode, NULL, 0, &localMatrix);
 }
 
-static void draw_gradients(SkCanvas* canvas, SkShader* (*makeShader)(const SkPoint[2]),
+static void draw_gradients(SkCanvas* canvas,
+                           SkShader* (*makeShader)(const SkPoint[2], const SkMatrix&),
                            const SkPoint ptsArray[][2], int numImages) {
     // Use some nice prime numbers for the rectangle and matrix with
     // different scaling along the x and y axes (which is the bug this
@@ -97,8 +98,7 @@ static void draw_gradients(SkCanvas* canvas, SkShader* (*makeShader)(const SkPoi
         }
 
         // Setup shader and draw.
-        SkAutoTUnref<SkShader> shader(makeShader(*ptsArray));
-        shader->setLocalMatrix(shaderMat);
+        SkAutoTUnref<SkShader> shader(makeShader(*ptsArray, shaderMat));
 
         SkPaint paint;
         paint.setShader(shader);