Make NativeControl inherit from base::WindowImpl instead of CWindowImpl to re...

base/window_impl.cc

Index: base/window_impl.cc
===================================================================
--- base/window_impl.cc	(revision 23577)
+++ base/window_impl.cc	(working copy)
@@ -155,8 +155,15 @@
   // Handle the message if it's in our message map; otherwise, let the system
   // handle it.
   if (!ProcessWindowMessage(hwnd_, message, w_param, l_param, result))
-    result = DefWindowProc(hwnd_, message, w_param, l_param);
+      result = DefWindowProc(hwnd_, message, w_param, l_param);
 
+  if (message == WM_NCDESTROY) {
+    // Notify the subclass that this is the last message before the window
+    // is destroyed.
+    OnFinalMessage(hwnd_);
+    hwnd_ = NULL;
+  }
+
   return result;
 }