Reland of "more shader-->sp conversions (patchset #5 id:80001 of https://codereview.chromium.org/1789633002/ )"

This reverts commit 9283d20afc27571f7a871d1bd1100dd5df584941.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1793303002

Review URL: https://codereview.chromium.org/1793303002
diff --git a/tests/CanvasTest.cpp b/tests/CanvasTest.cpp
index f34430f..8681ca4 100644
--- a/tests/CanvasTest.cpp
+++ b/tests/CanvasTest.cpp
@@ -415,9 +415,8 @@
     pts[2].set(SkIntToScalar(d.fWidth), SkIntToScalar(d.fHeight));
     pts[3].set(0, SkIntToScalar(d.fHeight));
     SkPaint paint;
-    SkShader* shader = SkShader::CreateBitmapShader(d.fBitmap,
-        SkShader::kClamp_TileMode, SkShader::kClamp_TileMode);
-    paint.setShader(shader)->unref();
+    paint.setShader(SkShader::MakeBitmapShader(d.fBitmap, SkShader::kClamp_TileMode,
+                                               SkShader::kClamp_TileMode));
     canvas->drawVertices(SkCanvas::kTriangleFan_VertexMode, 4, pts, pts,
                          nullptr, nullptr, nullptr, 0, paint);
 }