add gm for clipShader in a layer

Change-Id: I3435ccbf0f391a08dfde9d0cb40ce797144c6b9b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/276616
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
diff --git a/gm/complexclip.cpp b/gm/complexclip.cpp
index faceb6b..6e22dc0 100644
--- a/gm/complexclip.cpp
+++ b/gm/complexclip.cpp
@@ -246,3 +246,19 @@
     canvas->restore();
     canvas->restore();
 }
+
+DEF_SIMPLE_GM(clip_shader_layer, canvas, 430, 320) {
+    auto img = GetResourceAsImage("images/yellow_rose.png");
+    auto sh = img->makeShader();
+
+    SkRect r = SkRect::MakeIWH(img->width(), img->height());
+
+    canvas->translate(10, 10);
+    // now add the cool clip
+    canvas->clipRect(r);
+    canvas->clipShader(sh);
+    // now draw a layer with the same image, and watch it get restored w/ the clip
+    canvas->saveLayer(&r, nullptr);
+    canvas->drawColor(0xFFFF0000);
+    canvas->restore();
+}