Suppress value changed events on text fields/text areas.

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

Index: chrome/browser/resources/chromeos/chromevox/cvox2/background/background.js
diff --git a/chrome/browser/resources/chromeos/chromevox/cvox2/background/background.js b/chrome/browser/resources/chromeos/chromevox/cvox2/background/background.js
index ca1563fd1232b800ab6d77d860c4491d2b6e34b9..927cdc6ef06eb132d4229d1cc011b0ab81f70d42 100644
--- a/chrome/browser/resources/chromeos/chromevox/cvox2/background/background.js
+++ b/chrome/browser/resources/chromeos/chromevox/cvox2/background/background.js
@@ -62,13 +62,13 @@ Background = function() {
     alert: this.onEventDefault,
     focus: this.onEventDefault,
     hover: this.onEventDefault,
+    loadComplete: this.onLoadComplete,
     menuStart: this.onEventDefault,
     menuEnd: this.onEventDefault,
     menuListValueChanged: this.onEventDefault,
-    loadComplete: this.onLoadComplete,
     textChanged: this.onTextOrTextSelectionChanged,
     textSelectionChanged: this.onTextOrTextSelectionChanged,
-    valueChanged: this.onEventDefault
+    valueChanged: this.onValueChanged
   };
 
   // Register listeners for ...
@@ -320,6 +320,28 @@ Background.prototype = {
   },
 
   /**
+   * Provides all feedback once a value changed event fires.
+   * @param {Object} evt
+   */
+  onValueChanged: function(evt) {
+    // Don't process nodes inside of web content if ChromeVox Next is inactive.
+    if (evt.target.root.role != chrome.automation.RoleType.desktop &&
+        !this.active_)
+      return;
+
+    if (!evt.target.state.focused)
+      return;
+
+    // Value change events fire on web text fields and text areas when pressing
+    // enter; suppress them.
+    if (!this.currentRange_ ||
+        evt.target.role != chrome.automation.RoleType.textField) {
+      this.onEventDefault(evt);
+      this.currentRange_ = cursors.Range.fromNode(evt.target);
+    }
+  },
+
+  /**
    * Called when the automation tree is changed.
    * @param {chrome.automation.TreeChange} treeChange
    */