Revert of Update json_schema_compiler to handle the Automation extension API

chrome/browser/resources/chromeos/chromevox/cvox2/background/automation_util_test.extjs

Index: chrome/browser/resources/chromeos/chromevox/cvox2/background/automation_util_test.extjs
diff --git a/chrome/browser/resources/chromeos/chromevox/cvox2/background/automation_util_test.extjs b/chrome/browser/resources/chromeos/chromevox/cvox2/background/automation_util_test.extjs
index 0b23cf58f05e1865e5adbb74cbbd33472032a1eb..e5bf76156b1045c5ede5b8fc0e2fdf4d309e66a9 100644
--- a/chrome/browser/resources/chromeos/chromevox/cvox2/background/automation_util_test.extjs
+++ b/chrome/browser/resources/chromeos/chromevox/cvox2/background/automation_util_test.extjs
@@ -26,7 +26,7 @@
 
     /** Filters nodes not rooted by desktop. */
     function filterNonDesktopRoot(node) {
-      return node.root.role != RoleType.DESKTOP;
+      return node.root.role != RoleType.desktop;
     }
 
     window.getNonDesktopAncestors = function(node) {
@@ -83,8 +83,8 @@
 
     var leftAncestors = getNonDesktopAncestors(leftmost);
     var rightAncestors = getNonDesktopAncestors(rightmost);
-    assertEquals(RoleType.LINK, leftmost.role);
-    assertEquals(RoleType.BUTTON, rightmost.role);
+    assertEquals(RoleType.link, leftmost.role);
+    assertEquals(RoleType.button, rightmost.role);
     assertEquals(
         1, AutomationUtil.getDivergence(leftAncestors, rightAncestors));
 
@@ -97,17 +97,17 @@
         getNonDesktopUniqueAncestors(leftmost, rightmost);
 
     assertEquals(2, uniqueAncestorsLeft.length);
-    assertEquals(RoleType.PARAGRAPH,
+    assertEquals(RoleType.paragraph,
         uniqueAncestorsLeft[0].role);
-    assertEquals(RoleType.LINK,
+    assertEquals(RoleType.link,
         uniqueAncestorsLeft[1].role);
 
     assertEquals(3, uniqueAncestorsRight.length);
-    assertEquals(RoleType.HEADING,
+    assertEquals(RoleType.heading,
         uniqueAncestorsRight[0].role);
-    assertEquals(RoleType.GROUP,
+    assertEquals(RoleType.group,
         uniqueAncestorsRight[1].role);
-    assertEquals(RoleType.BUTTON,
+    assertEquals(RoleType.button,
         uniqueAncestorsRight[2].role);
 
     assertEquals(