Implement ChromeVox Next menus.

chrome/browser/resources/chromeos/chromevox/manifest.json.jinja2

Index: chrome/browser/resources/chromeos/chromevox/manifest.json.jinja2
diff --git a/chrome/browser/resources/chromeos/chromevox/manifest.json.jinja2 b/chrome/browser/resources/chromeos/chromevox/manifest.json.jinja2
index ffb87345828cf35c81fe153e61a4ba5631d692f7..535534ae0a40e44cb11bf197579f0b2568624b93 100644
--- a/chrome/browser/resources/chromeos/chromevox/manifest.json.jinja2
+++ b/chrome/browser/resources/chromeos/chromevox/manifest.json.jinja2
@@ -62,19 +62,19 @@
     "desktop": true
   },
   "commands": {
-    "nextElement": {
+    "nextObject": {
       "description": "__MSG_CHROMEVOX_NEXT_OBJECT__",
       "suggested_key": {
         "default": "Alt+Shift+Right"
       }
     },
-    "previousElement": {
+    "previousObject": {
       "description": "__MSG_CHROMEVOX_PREVIOUS_OBJECT__",
       "suggested_key": {
         "default": "Alt+Shift+Left"
       }
     },
-    "doDefault": {
+    "performDefaultAction": {
       "description": "__MSG_CHROMEVOX_PERFORM_DEFAULT_ACTION__",
       "suggested_key": {
         "default": "Alt+Shift+Space"
@@ -86,7 +86,7 @@
         "default": "Alt+Shift+Q"
       }
     },
-    "continuousRead": {
+    "readFromHere": {
       "description": "__MSG_CHROMEVOX_READ_FROM_HERE__",
       "suggested_key": {
         "default": "Alt+Shift+R"