Adding tracking of HWND creation/destruction

chrome/views/widget_win.cc

Index: chrome/views/widget_win.cc
===================================================================
--- chrome/views/widget_win.cc	(revision 9063)
+++ chrome/views/widget_win.cc	(working copy)
@@ -162,6 +162,8 @@
                          window_style_, bounds.x(), bounds.y(), bounds.width(),
                          bounds.height(), parent, NULL, NULL, this);
   DCHECK(hwnd_);
+  TRACK_HWND_CREATION(hwnd_);
+
   // The window procedure should have set the data for us.
   DCHECK(win_util::GetWindowUserData(hwnd_) == this);
 
@@ -932,6 +934,7 @@
   if (!widget->ProcessWindowMessage(window, message, w_param, l_param, result))
     result = DefWindowProc(window, message, w_param, l_param);
   if (message == WM_NCDESTROY) {
+    TRACK_HWND_DESTRUCTION(window);
     widget->hwnd_ = NULL;
     widget->OnFinalMessage(window);
   }