Implement ChromeVox next/previous line, link, and heading.

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 0f5d83459af347d79af0b8dc326d0e11379d2c20..4f65b0af5909c3c590aaed0a357fb153885e2c75 100644
--- a/chrome/browser/resources/chromeos/chromevox/manifest.json.jinja2
+++ b/chrome/browser/resources/chromeos/chromevox/manifest.json.jinja2
@@ -57,25 +57,49 @@
     "nextElement": {
       "description": "Moves to the next element",
       "suggested_key": {
-        "chromeos": "Search+Shift+Right"
+        "chromeos": "Search+Right"
       }
     },
     "previousElement": {
       "description": "Moves to the previous element",
       "suggested_key": {
-        "chromeos": "Search+Shift+Left"
+        "chromeos": "Search+Left"
       }
     },
     "nextLine": {
-      "description": "Moves to the next line",
+      "description": "__MSG_CHROMEVOX_NEXT_LINE__",
       "suggested_key": {
-        "chromeos": "Search+Shift+Down"
+        "chromeos": "Search+Down"
       }
     },
     "previousLine": {
-      "description": "Moves to the previous line",
+      "description": "__MSG_CHROMEVOX_PREVIOUS_LINE__",
       "suggested_key": {
-        "chromeos": "Search+Shift+Up"
+        "chromeos": "Search+Up"
+      }
+    },
+    "nextLink": {
+      "description": "__MSG_CHROMEVOX_NEXT_LINK__",
+      "suggested_key": {
+        "chromeos": "Search+L"
+      }
+    },
+    "previousLink": {
+      "description": "__MSG_CHROMEVOX_PREVIOUS_LINK__",
+      "suggested_key": {
+        "chromeos": "Search+Shift+L"
+      }
+    },
+    "nextHeading": {
+      "description": "Moves to the next heading",
+      "suggested_key": {
+        "chromeos": "Search+H"
+      }
+    },
+    "previousHeading": {
+      "description": "Moves to the previous heading",
+      "suggested_key": {
+        "chromeos": "Search+Shift+H"
       }
     }
   },