Add in row offset if self-composited.

third_party/WebKit/LayoutTests/fast/canvas/canvas-composite-repaint-by-all-imagesource.html

Index: third_party/WebKit/LayoutTests/fast/canvas/canvas-composite-repaint-by-all-imagesource.html
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/canvas-composite-repaint-by-all-imagesource.html b/third_party/WebKit/LayoutTests/fast/canvas/canvas-composite-repaint-by-all-imagesource.html
index abefc21aba911ecbdad3b67fba44955cb2b955c6..9a53b33ca6894de7779c7ee0e4ac91e38bc478ca 100644
--- a/third_party/WebKit/LayoutTests/fast/canvas/canvas-composite-repaint-by-all-imagesource.html
+++ b/third_party/WebKit/LayoutTests/fast/canvas/canvas-composite-repaint-by-all-imagesource.html
@@ -127,26 +127,30 @@
       context.drawImage(document.getElementById('video'), 10, 10);
     }
 
+    function repaintTestAt(i, j) {

[wkorman, 2016/07/19 21:49:21]

This looks like it is from a different change?

[chrishtr, 2016/07/19 21:55:06]

Removed. Was for debugging.

+      var context = getContext(i, j);
+      context.globalCompositeOperation = compositeTypes[i];
+      switch (testNames[j]) {
+      case 'solid color':
+        drawRect(context);
+        break;
+      case 'image':
+        drawImage(context);
+        break;
+      case 'canvas':
+        drawCanvas(context);
+        break;
+      case 'video':
+        drawVideo(context);
+      }
+      context.restore();
+    }
+
     // callback from text-based-repaint.js
     function repaintTest() {
       for (var i = 0; i < compositeTypes.length; i++) {
         for (var j = 0; j < testNames.length; j++) {
-          var context = getContext(i, j);
-          context.globalCompositeOperation = compositeTypes[i];
-          switch (testNames[j]) {
-          case 'solid color':
-            drawRect(context);
-            break;
-          case 'image':
-            drawImage(context);
-            break;
-          case 'canvas':
-            drawCanvas(context);
-            break;
-          case 'video':
-            drawVideo(context);
-          }
-          context.restore();
+          repaintTestAt(i, j);
         }
       }
       // Because canvas invalidations are processed at the end of the current task,
@@ -176,3 +180,8 @@
     </script>
   </body>
 </html>
+<script>
+onload = function() {
+  setTimeout(() => repaintTestAt(10, 3), 3000);
+}
+</script>