Forward four more BrowserAccessibility APIs to AXPlatformNode.

ui/views/accessibility/native_view_accessibility_base.h

Index: ui/views/accessibility/native_view_accessibility_base.h
diff --git a/ui/views/accessibility/native_view_accessibility_base.h b/ui/views/accessibility/native_view_accessibility_base.h
index fb0d0fe5e78552cbdce1e1ce4921baddfcefd1dc..af299c62311e966fabf1ae214281a3041a8cd95b 100644
--- a/ui/views/accessibility/native_view_accessibility_base.h
+++ b/ui/views/accessibility/native_view_accessibility_base.h
@@ -11,6 +11,7 @@
 #include "build/build_config.h"
 #include "ui/accessibility/ax_action_data.h"
 #include "ui/accessibility/ax_node_data.h"
+#include "ui/accessibility/ax_tree_data.h"
 #include "ui/accessibility/platform/ax_platform_node.h"
 #include "ui/accessibility/platform/ax_platform_node_delegate.h"
 #include "ui/gfx/native_widget_types.h"
@@ -38,6 +39,7 @@ class VIEWS_EXPORT NativeViewAccessibilityBase
 
   // ui::AXPlatformNodeDelegate
   const ui::AXNodeData& GetData() const override;
+  const ui::AXTreeData& GetTreeData() const override;
   int GetChildCount() override;
   gfx::NativeViewAccessible ChildAtIndex(int index) override;
   gfx::NativeWindow GetTopLevelWidget() override;