Forward four more BrowserAccessibility APIs to AXPlatformNode.

ui/accessibility/platform/ax_platform_node_delegate.h

Index: ui/accessibility/platform/ax_platform_node_delegate.h
diff --git a/ui/accessibility/platform/ax_platform_node_delegate.h b/ui/accessibility/platform/ax_platform_node_delegate.h
index 7629ea5bab609a7ae30e7ca43f32ebe10dec98d1..9ef5a00dc7938d3e14985de21f6f844a701b232d 100644
--- a/ui/accessibility/platform/ax_platform_node_delegate.h
+++ b/ui/accessibility/platform/ax_platform_node_delegate.h
@@ -14,6 +14,7 @@ namespace ui {
 
 struct AXActionData;
 struct AXNodeData;
+struct AXTreeData;
 class AXPlatformNode;
 
 // An object that wants to be accessible should derive from this class.
@@ -36,6 +37,9 @@ class AX_EXPORT AXPlatformNodeDelegate {
   // is mostly to implement support for walking the accessibility tree.
   virtual const AXNodeData& GetData() const = 0;
 
+  // Get the accessibility tree data for this node.
+  virtual const ui::AXTreeData& GetTreeData() const = 0;
+
   // Get the window the node is contained in.
   virtual gfx::NativeWindow GetTopLevelWidget() = 0;