Finish all string attributes for Accessibility Object Model Phase 1.

third_party/WebKit/Source/core/dom/AccessibleNode.idl

Index: third_party/WebKit/Source/core/dom/AccessibleNode.idl
diff --git a/third_party/WebKit/Source/core/dom/AccessibleNode.idl b/third_party/WebKit/Source/core/dom/AccessibleNode.idl
index 66878a42f4cebe568b17f3c9a47157c3f146e705..271ad397162c198ddfa773f986cf4ff6f8d515af 100644
--- a/third_party/WebKit/Source/core/dom/AccessibleNode.idl
+++ b/third_party/WebKit/Source/core/dom/AccessibleNode.idl
@@ -8,6 +8,18 @@
 [
     RuntimeEnabled=AccessibilityObjectModel
 ] interface AccessibleNode {
-    attribute DOMString? role;
+    attribute DOMString? autocomplete;
+    attribute DOMString? checked;
+    attribute DOMString? current;
+    attribute DOMString? invalid;
+    attribute DOMString? keyShortcuts;
     attribute DOMString? label;
+    attribute DOMString? live;
+    attribute DOMString? orientation;
+    attribute DOMString? placeholder;
+    attribute DOMString? relevant;
+    attribute DOMString? role;
+    attribute DOMString? roleDescription;
+    attribute DOMString? sort;
+    attribute DOMString? valueText;
 };