Convert some text-based-repaint tests for spv2

LayoutTests/paint/invalidation/spv2/canvas-resize-no-full-invalidation-expected.html

Index: LayoutTests/paint/invalidation/spv2/canvas-resize-no-full-invalidation-expected.html
diff --git a/LayoutTests/fast/repaint/canvas-resize-no-full-invalidation.html b/LayoutTests/paint/invalidation/spv2/canvas-resize-no-full-invalidation-expected.html
similarity index 79%
copy from LayoutTests/fast/repaint/canvas-resize-no-full-invalidation.html
copy to LayoutTests/paint/invalidation/spv2/canvas-resize-no-full-invalidation-expected.html
index 8f7924d1bbfcb71bf19856aa8e2311c68c3bf193..9652660f27f2e32d5d3a333f93658ec4651b7a05 100644
--- a/LayoutTests/fast/repaint/canvas-resize-no-full-invalidation.html
+++ b/LayoutTests/paint/invalidation/spv2/canvas-resize-no-full-invalidation-expected.html
@@ -2,7 +2,7 @@
 <style>
 canvas {
   position: absolute;
-  width: 600px;
+  width: 500px;
   height: 500px;
   top: 50px;
   left: 50px;
@@ -16,13 +16,7 @@ canvas {
 Tests paint invalidation of canvas when it's resized which doesn't affect its contents. Passes if there is only incremental invalidation for the resized background.
 <canvas id="canvas" width="500" height="500"></canvas>
 
-<script src="resources/text-based-repaint.js"></script>
 <script>
-function repaintTest() {
-  document.getElementById('canvas').style.width = '500px';
-}
-onload = runRepaintTest;
-
 var ctx = document.getElementById('canvas').getContext('2d');
 ctx.beginPath();
 ctx.arc(250, 250, 250, 0, 2 * Math.PI);