Destory base class when win platform accessibily node is destroyed.

ui/accessibility/platform/ax_platform_node_win.cc

Index: ui/accessibility/platform/ax_platform_node_win.cc
diff --git a/ui/accessibility/platform/ax_platform_node_win.cc b/ui/accessibility/platform/ax_platform_node_win.cc
index c8f7d5445c3f0cfbf66bed5b8c76c1c193566014..6cf37f457b37a02639a74518787f5001a1852464 100644
--- a/ui/accessibility/platform/ax_platform_node_win.cc
+++ b/ui/accessibility/platform/ax_platform_node_win.cc
@@ -146,6 +146,10 @@ AXPlatformNodeWin::~AXPlatformNodeWin() {
 //
 
 void AXPlatformNodeWin::Destroy() {
+  AXPlatformNode::Destroy();
+  // Do not call base class AXPlatformNodeBase::Destroy method because it
+  // would delete this object. Call base's base class AXPlatformNode::Destroy
+  // instead to remove the unique ID from the map like base class does.
   delegate_ = nullptr;
   RemoveAlertTarget();
   Release();