Ignore duplicate HOVER events

chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js

Index: chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js
diff --git a/chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js b/chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js
index ba484eac0227a89c992c25a26567c1df8a9a7970..260a7440b1f212465db49b0d06f49ad6fcb46323 100644
--- a/chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js
+++ b/chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js
@@ -47,7 +47,7 @@ DesktopAutomationHandler = function(node) {
   this.addListener_(e.ariaAttributeChanged, this.onEventIfInRange);
   this.addListener_(e.checkedStateChanged, this.onEventIfInRange);
   this.addListener_(e.focus, this.onFocus);
-  this.addListener_(e.hover, this.onEventWithFlushedOutput);
+  this.addListener_(e.hover, this.onHover);
   this.addListener_(e.loadComplete, this.onLoadComplete);
   this.addListener_(e.menuEnd, this.onMenuEnd);
   this.addListener_(e.menuListItemSelected, this.onEventIfSelected);
@@ -160,6 +160,17 @@ DesktopAutomationHandler.prototype = {
   },
 
   /**
+   * @param {!AutomationEvent} evt
+   */
+  onHover: function(evt) {
+    if (ChromeVoxState.instance.currentRange &&
+        evt.target == ChromeVoxState.instance.currentRange.start.node)
+      return;
+    Output.flushNextSpeechUtterance();
+    this.onEventDefault(evt);
+  },
+
+  /**
    * Makes an announcement without changing focus.
    * @param {!AutomationEvent} evt
    */