Add support for in-page links in ChromeVox.

third_party/closure_compiler/externs/automation.js

Index: third_party/closure_compiler/externs/automation.js
diff --git a/third_party/closure_compiler/externs/automation.js b/third_party/closure_compiler/externs/automation.js
index 0a3a0fcb588fa2177cc9019933ac9e3bc24d4f21..e0aa9a4eed78f7cd5d72b251a0ceb3613ee044a5 100644
--- a/third_party/closure_compiler/externs/automation.js
+++ b/third_party/closure_compiler/externs/automation.js
@@ -261,7 +261,7 @@ chrome.automation.NameFromType = {
   ATTRIBUTE: 'attribute',
   CONTENTS: 'contents',
   PLACEHOLDER: 'placeholder',
-  RELATED_ELEMENT: 'related_element',
+  RELATED_ELEMENT: 'relatedElement',
   VALUE: 'value',
 };
 
@@ -517,6 +517,12 @@ chrome.automation.AutomationNode.prototype.labelledBy;
 chrome.automation.AutomationNode.prototype.activeDescendant;
 
 /**
+ * @type {(!chrome.automation.AutomationNode|undefined)}
+ * @see https://developer.chrome.com/extensions/automation#type-inPageLinkTarget
+ */
+chrome.automation.AutomationNode.prototype.inPageLinkTarget;
+
+/**
  * The URL that this link will navigate to.
  * @type {(string|undefined)}
  * @see https://developer.chrome.com/extensions/automation#type-url