Forward fill and stroke styles from 2d canvas to canvas filters

third_party/WebKit/LayoutTests/fast/canvas/canvas-filter-stroke-paint-pattern.html

Index: third_party/WebKit/LayoutTests/fast/canvas/canvas-filter-stroke-paint-pattern.html
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/canvas-filter-stroke-paint-pattern.html b/third_party/WebKit/LayoutTests/fast/canvas/canvas-filter-stroke-paint-pattern.html
new file mode 100644
index 0000000000000000000000000000000000000000..ae479c348e3806f3e51fc1f569190582d6ffec3b
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/fast/canvas/canvas-filter-stroke-paint-pattern.html
@@ -0,0 +1,34 @@
+<svg style="display: block; width: 0; height: 0">
+  <defs>
+    <filter id="merge">
+      <femerge>
+        <femergenode in="StrokePaint"></femergenode>
+        <femergenode in="SourceGraphic"></femergenode>
+      </femerge>
+    </filter>
+  </defs>
+</svg>
+<canvas id="canvas" width="100" height="100"></canvas>
+<script>
+var canvas = document.getElementById('canvas');
+var ctx = canvas.getContext('2d');
+var canvas2 = document.createElement('canvas');
+canvas2.width = 20;
+canvas2.height = 20;
+var ctx2 = canvas2.getContext('2d');
+
+ctx2.fillStyle = '#00f';
+ctx2.fillRect(0, 0, 10, 10);
+ctx2.fillStyle = '#0f0';
+ctx2.fillRect(0, 10, 10, 10);
+ctx2.fillStyle = '#f00';
+ctx2.fillRect(10, 0, 10, 10);
+ctx2.fillStyle = '#ff0';
+ctx2.fillRect(10, 10, 10, 10);
+
+var pattern = ctx.createPattern(canvas2, 'repeat');
+ctx.filter = 'url(#merge)';
+ctx.strokeStyle = pattern;
+ctx.fillStyle = '#f0f';
+ctx.fillRect(40, 40, 20, 20);
+</script>