cc: Add layout test cases for mask tiling.

third_party/WebKit/LayoutTests/compositing/resources/star.svg

Index: third_party/WebKit/LayoutTests/compositing/resources/star.svg
diff --git a/third_party/WebKit/LayoutTests/compositing/resources/star.svg b/third_party/WebKit/LayoutTests/compositing/resources/star.svg
new file mode 100644
index 0000000000000000000000000000000000000000..b55b4b7823a3f85e817d17fcff162692ea335e38
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/compositing/resources/star.svg
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   id="svg2"
+   viewBox="0 0 99.999997 99.999997"
+   height="100"
+   width="100">
+  <defs
+     id="defs4" />
+  <metadata
+     id="metadata7">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     transform="translate(0,-952.36223)"
+     id="layer1">
+    <path
+       d="M 50.000001,954.80939 65.450848,986.11624 100,991.13652 74.999998,1015.5055 80.901699,1049.915 50,1033.6691 19.098298,1049.915 25.000001,1015.5055 -1.2134336e-6,991.13652 34.549151,986.11624 Z"
+       id="path4136"
+       style="opacity:1;fill:#000000;fill-opacity:0.50222224;stroke:none;stroke-width:22.67716599;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  </g>
+</svg>