Add support for in-page links in ChromeVox.

chrome/common/extensions/api/automation.idl

Index: chrome/common/extensions/api/automation.idl
diff --git a/chrome/common/extensions/api/automation.idl b/chrome/common/extensions/api/automation.idl
index 318c6e0e8bb3adf0a0b6d892b4c9e2a2e841154f..d36f6512cc20e5c12004c1f9ce9c17dd0ee6fc67 100644
--- a/chrome/common/extensions/api/automation.idl
+++ b/chrome/common/extensions/api/automation.idl
@@ -442,6 +442,9 @@
     // applicable
     AutomationNode? activeDescendant;
 
+    // The target of an in page link.

[michaelpg, 2017/04/04 20:29:48]

nit: hyphenate compound adjective, "in-page" (similar to "pre-tax").

[David Tseng, 2017/04/04 21:41:32]

Done throughout and re-generated externs.

+    AutomationNode? inPageLinkTarget;
+
     //
     // Link attributes.
     //
@@ -758,7 +761,8 @@
     // tree with a placeholder root node; listen for the "loadComplete" event to
     // get a notification that the tree has fully loaded (the previous root node
     // reference will stop working at or before this point).
-    [nocompile] static void getTree(optional long tabId, RootCallback callback);
+    [nocompile] static void getTree(optional long tabId,
+                                    optional RootCallback callback);
 
     // Get the automation tree for the whole desktop which consists of all on
     // screen views. Note this API is currently only supported on Chrome OS.