Expose media controls to accessibility

chrome/renderer/resources/extensions/automation/automation_node.js

Index: chrome/renderer/resources/extensions/automation/automation_node.js
diff --git a/chrome/renderer/resources/extensions/automation/automation_node.js b/chrome/renderer/resources/extensions/automation/automation_node.js
index 54c308a33cd20544c1735c75d89f2e185224811b..225c0d2e7c57b185f67eec87ac6bff5fe7cef508 100644
--- a/chrome/renderer/resources/extensions/automation/automation_node.js
+++ b/chrome/renderer/resources/extensions/automation/automation_node.js
@@ -377,6 +377,10 @@ AutomationNodeImpl.prototype = {
     this.performAction_('makeVisible');
   },
 
+    resumeMedia: function() {
+    this.performAction_('resumeMedia');
+  },
+
   setSelection: function(startIndex, endIndex) {
     if (this.role == 'textField' || this.role == 'textBox') {
       this.performAction_('setSelection',
@@ -394,6 +398,18 @@ AutomationNodeImpl.prototype = {
     this.performAction_('showContextMenu');
   },
 
+  startDuckingMedia: function() {
+    this.performAction_('startDuckingMedia');
+  },
+
+  stopDuckingMedia: function() {
+    this.performAction_('stopDuckingMedia');
+  },
+
+  suspendMedia: function() {
+    this.performAction_('suspendMedia');
+  },
+
   domQuerySelector: function(selector, callback) {
     if (!this.rootImpl)
       callback();
@@ -1072,9 +1088,13 @@ utils.expose(AutomationNode, AutomationNodeImpl, {
     'getImageData',
     'makeVisible',
     'matches',
+    'resumeMedia',
     'setSelection',
     'setSequentialFocusNavigationStartingPoint',
     'showContextMenu',
+    'startDuckingMedia',
+    'stopDuckingMedia',
+    'suspendMedia',
     'addEventListener',
     'removeEventListener',
     'domQuerySelector',