Forward four more BrowserAccessibility APIs to AXPlatformNode.

content/browser/accessibility/browser_accessibility.cc

Index: content/browser/accessibility/browser_accessibility.cc
diff --git a/content/browser/accessibility/browser_accessibility.cc b/content/browser/accessibility/browser_accessibility.cc
index cb6cb98b1b7684d082f4450164d9dd662978c000..a90d107f32d0658e18bcae416008ec3b43ecbd8b 100644
--- a/content/browser/accessibility/browser_accessibility.cc
+++ b/content/browser/accessibility/browser_accessibility.cc
@@ -1086,6 +1086,14 @@ const ui::AXNodeData& BrowserAccessibility::GetData() const {
     return empty_data;
 }
 
+const ui::AXTreeData& BrowserAccessibility::GetTreeData() const {
+  CR_DEFINE_STATIC_LOCAL(ui::AXTreeData, empty_data, ());
+  if (manager())
+    return manager()->GetTreeData();
+  else
+    return empty_data;
+}
+
 gfx::NativeWindow BrowserAccessibility::GetTopLevelWidget() {
   NOTREACHED();
   return nullptr;