Complete live region support in ChromeVox Next.

chrome/browser/resources/chromeos/chromevox/common/chrome_extension_externs.js

Index: chrome/browser/resources/chromeos/chromevox/common/chrome_extension_externs.js
diff --git a/chrome/browser/resources/chromeos/chromevox/common/chrome_extension_externs.js b/chrome/browser/resources/chromeos/chromevox/common/chrome_extension_externs.js
index eaa2d1bc4f6b909b21bcdf3198e4222e29b66f58..e27caeab80413c4628be570aec35f97b85e17a72 100644
--- a/chrome/browser/resources/chromeos/chromevox/common/chrome_extension_externs.js
+++ b/chrome/browser/resources/chromeos/chromevox/common/chrome_extension_externs.js
@@ -309,6 +309,13 @@ chrome.automation.addTreeChangeObserver = function(observer) {};
  */
 chrome.automation.removeTreeChangeObserver = function(observer) {};
 
+/**
+ * Set the type of tree change events you want to receive when

[Peter Lundblad, 2015/11/20 13:42:58]

Did you autogenerate this or can you leave out the redundant documentation?
Not sure why it's there in some other places in this file.

[dmazzoni, 2015/11/23 20:16:50]

I deleted the redundant documentation from this and nearby functions. The
autogeneration is still too problematic, I tried it before but spent more time
cleaning it up and merging with previous manual fixes that it wasn't worth it.

+ *     calling addTreeChangeObserver.
+ * @param {string} mask The new mask.
+ */
+chrome.automation.setTreeChangeObserverMask = function(mask) {};

[David Tseng, 2015/11/24 18:46:30]

Can we get a more specific type for mask?

+
 //
 // End auto generated externs; do not edit.
 //
@@ -509,6 +516,18 @@ chrome.automation.AutomationNode.prototype.containerLiveAtomic;
 /** @type {boolean} */
 chrome.automation.AutomationNode.prototype.containerLiveBusy;
 
+/** @type {string} */
+chrome.automation.AutomationNode.prototype.liveStatus;
+
+/** @type {string} */
+chrome.automation.AutomationNode.prototype.liveRelevant;
+
+/** @type {boolean} */
+chrome.automation.AutomationNode.prototype.liveAtomic;
+
+/** @type {boolean} */
+chrome.automation.AutomationNode.prototype.liveBusy;
+
 
 /**
  * @param {Object} findParams