Rename testRunner.dumpAsText(true) to testRunner.dumpAsTextWithPixelResults()

LayoutTests/fast/canvas/canvas-toDataURL-webp.html

 <canvas id="canvas" width="64px" height="64px" style="display: none"></canvas>
 <pre id="log"></pre>
 <img id="result">
 <script>
 if (window.testRunner) {
-    window.testRunner.dumpAsText(pixelTest = true);
+    window.testRunner.dumpAsTextWithPixelResults();
     window.testRunner.waitUntilDone();
 }
 
 function webpDataURLTest()
 {
     var canvas = document.getElementById('canvas');
     var context = canvas.getContext('2d');
     context.drawImage(window.image, 0, 0, canvas.width, canvas.height);
 
     var dataURL = canvas.toDataURL('image/webp', 0.8);
     if (!dataURL.match(/^data:image\/webp[;,]/))
         document.getElementById('log').textContent += "FAIL: canvas.toDataURL('image/webp') not supported";
     else
         document.getElementById('result').src = dataURL;
 
     if (window.testRunner)
         window.testRunner.notifyDone();
 }
 
 var image = new Image();
 image.onload = webpDataURLTest;
 image.src = 'resources/html5.png';
 </script>