Support group and wrapping navigation.

chrome/browser/resources/chromeos/chromevox/chromevox/background/keymaps/next_keymap.json

Index: chrome/browser/resources/chromeos/chromevox/chromevox/background/keymaps/next_keymap.json
diff --git a/chrome/browser/resources/chromeos/chromevox/chromevox/background/keymaps/next_keymap.json b/chrome/browser/resources/chromeos/chromevox/chromevox/background/keymaps/next_keymap.json
index 5116134df0a0c5ef79bb81609eced6a55b7da255..08dfdb499a2c1a53466a44c79fcb0eec3ab9274e 100644
--- a/chrome/browser/resources/chromeos/chromevox/chromevox/background/keymaps/next_keymap.json
+++ b/chrome/browser/resources/chromeos/chromevox/chromevox/background/keymaps/next_keymap.json
@@ -846,6 +846,26 @@
           "shiftKey": [true]
         }
       }
+    },
+    {
+      "command": "previousGroup",
+      "sequence": {
+        "cvoxModifier": true,
+        "keys": {
+          "keyCode": [38],
+          "ctrlKey": [true]
+        }
+      }
+    },
+    {
+      "command": "nextGroup",
+      "sequence": {
+        "cvoxModifier": true,
+        "keys": {
+          "keyCode": [40],
+          "ctrlKey": [true]
+        }
+      }
     }
   ]
 }