scanning: Reorder file type options

Reorder the file type options to match the spec.

Bug: 1059779
Change-Id: I1dc213f2cfb1f1b388288552b8391ef69ef3e38d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2529236
Commit-Queue: Jesse Schettler <jschettler@chromium.org>
Reviewed-by: Zentaro Kavanagh <zentaro@chromium.org>
Cr-Commit-Position: refs/heads/master@{#825954}

chrome/test/data/webui/chromeos/scanning/file_type_select_test.js

@@ -41,8 +41,8 @@ export function fileTypeSelectTest() {
     assertFalse(select.disabled);
     assertEquals(3, select.length);
     assertEquals('JPG', select.options[0].textContent.trim());
-    assertEquals('PDF', select.options[1].textContent.trim());
-    assertEquals('PNG', select.options[2].textContent.trim());
+    assertEquals('PNG', select.options[1].textContent.trim());
+    assertEquals('PDF', select.options[2].textContent.trim());
     assertEquals(FileType.PNG.toString(), select.value);
 
     // Selecting a different option should update the selected value.

chromeos/components/scanning/resources/file_type_select.html

@@ -10,8 +10,8 @@
           values they correspond to. -->
       <!-- TODO(jschettler): Change default back to PDF when it's supported. -->
       <option value="0">[[i18n('jpgOptionText')]]</option>
-      <option value="1">[[i18n('pdfOptionText')]]</option>
       <option value="2" selected>[[i18n('pngOptionText')]]</option>
+      <option value="1">[[i18n('pdfOptionText')]]</option>
     </select>
   </div>
 </scan-settings-section>