Fixed accessibility issues in bookmark bubble dialog.

chrome/browser/accessibility/accessibility_events.h

Index: chrome/browser/accessibility/accessibility_events.h
diff --git a/chrome/browser/accessibility/accessibility_events.h b/chrome/browser/accessibility/accessibility_events.h
index 28587fb6046fd6e88397993646b28b86e222e5d7..9b46861778fc8889be5a23e68ba46957b33eb99e 100644
--- a/chrome/browser/accessibility/accessibility_events.h
+++ b/chrome/browser/accessibility/accessibility_events.h
@@ -225,6 +225,7 @@ class AccessibilityComboBoxInfo : public AccessibilityControlInfo {
   int item_count_;
 };
 
+
 // Accessibility information about a text box, passed to onControlFocused,
 // onControlAction, and onTextChanged event listeners.
 class AccessibilityTextBoxInfo : public AccessibilityControlInfo {
@@ -325,6 +326,19 @@ class AccessibilityMenuItemInfo : public AccessibilityControlInfo {
   int item_count_;
 };
 
+// Tree navigation will be treated identically to menu navigation for now.
+// TODO(dmazzoni): Figure out how and if we should take tree navigation beyond
+// mimicking menus.
+class AccessibilityTreeItemInfo : public AccessibilityMenuItemInfo {
+ public:
+  AccessibilityTreeItemInfo(Profile* profile,
+                            const std::string& name,
+                            const std::string& context,
+                            bool has_submenu,
+                            int item_index,
+                            int item_count);
+};
+
 // Accessibility information about a slider passed to onControlFocused
 // and onControlAction event listeners.
 class AccessibilitySliderInfo : public AccessibilityControlInfo {