Merge css3/image/ and fast/images/ to images/

third_party/WebKit/LayoutTests/fast/canvas/canvas-toBlob-webp-maximum-quality.html

 <!-- The letters in the right image should be crisp like the letters in the left image. -->
 <canvas></canvas>
 <img id="result">
 <pre id="error"></pre>
 
 <script>
 if (window.testRunner) {
     testRunner.dumpAsTextWithPixelResults();
     testRunner.waitUntilDone();
 }
 
 var image = new Image();
 
 image.onload = function() {
     var canvas = document.querySelector('canvas');
     canvas.width = this.width;
     canvas.height = this.height;
     canvas.getContext('2d').drawImage(this, 0, 0);
 
     result.onload = function() {
         if (window.testRunner)
             window.testRunner.notifyDone();
     };
 
     canvas.toBlob(function(blob) {
-        var errorImage = "../../fast/images/resources/rgb-jpeg-red.jpg";
+        var errorImage = "../../images/resources/rgb-jpeg-red.jpg";
         if (!(blob instanceof Blob)) {
             error.textContent += "FAIL: the blob is not valid.";
             result.src = errorImage;
         } else if (blob.type != 'image/webp') {
             error.textContent += "FAIL: the blob should have 'image/webp' type.";
             result.src = errorImage;
         } else {
             result.src = URL.createObjectURL(blob);
         }
     }, "image/webp", 1.0); // maximum quality
 };
 
 image.src = "resources/letters.png";
 </script>