Implement actions for Automation API.

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 19e4cb815f870e475db45e672f9f85481b2944dc..e1d44b9f8402bdbb699c8232dc35a247fee12bbc 100644
--- a/chrome/renderer/resources/extensions/automation/automation_node.js
+++ b/chrome/renderer/resources/extensions/automation/automation_node.js
@@ -2,6 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// TODO(dtseng): Figure out if there's any other way to get access to
+// AutomationInternal.
+var automationInternal =
+    require('binding').Binding.create('automationInternal').generate();
 var utils = require('utils');
 
 /**
@@ -52,8 +56,27 @@ AutomationNodeImpl.prototype = {
       return parent.children()[this.index_in_parent + 1];
     return undefined;
   },
-};
 
+  doDefault: function() {
+    AutomationInternal.performAction(
+        'doDefault', this.owner.process_id, this.id)
+    },
+
+  focus: function() {
+    AutomationInternal.performAction(
+        'focus', this.owner.process_id, this.id)
+  },
+
+  makeVisible: function() {
+    AutomationInternal.performAction(
+        'makeVisible', this.owner.process_id, this.id)
+  },
+
+  setSelection: function(startIndex, endIndex) {
+    AutomationInternal.performAction(
+        'setSelection', this.owner.process_id, this.id, [startIndex, endIndex]);
+  },
+};
 
 var AutomationNode = utils.expose('AutomationNode',
                                   AutomationNodeImpl,
@@ -62,5 +85,9 @@ var AutomationNode = utils.expose('AutomationNode',
                                    'lastChild',
                                    'children',
                                    'previousSibling',
-                                   'nextSibling']);
+                                   'nextSibling',
+                                   'doDefault',
+                                   'focus',
+                                   'makeVisible',
+                                   'setSelection']);
 exports.AutomationNode = AutomationNode;