Adds yet more debugging in hopes of tracking 91396. The latest data

views/widget/widget.cc

Index: views/widget/widget.cc
diff --git a/views/widget/widget.cc b/views/widget/widget.cc
index 07a6687a2eb13eb55aa613de75cb4e491245faa2..c8fa738961ba4e57ee0346bbcb13795b8332a6c6 100644
--- a/views/widget/widget.cc
+++ b/views/widget/widget.cc
@@ -153,10 +153,13 @@ Widget::Widget()
       saved_maximized_state_(false),
       minimum_size_(100, 100),
       focus_on_creation_(true),
-      is_top_level_(false) {
+      is_top_level_(false),
+      destroy_state_(DESTROY_STATE_NONE) {
 }
 
 Widget::~Widget() {
+  destroy_state_ = DESTROY_STATE_DELETED;
+
   while (!event_stack_.empty()) {
     event_stack_.top()->reset();
     event_stack_.pop();
@@ -856,12 +859,17 @@ void Widget::OnNativeWidgetCreated() {
 
 void Widget::OnNativeWidgetDestroying() {
   FOR_EACH_OBSERVER(Observer, observers_, OnWidgetClosing(this));
+  if (destroy_state_ == DESTROY_STATE_NONE)
+    destroy_state_ = DESTROY_STATE_IN_DESTROYING;
   if (non_client_view_)
     non_client_view_->WindowClosing();
   widget_delegate_->WindowClosing();
 }
 
 void Widget::OnNativeWidgetDestroyed() {
+  if (destroy_state_ == DESTROY_STATE_IN_DESTROYING ||
+      destroy_state_ == DESTROY_STATE_NONE)
+    destroy_state_ = DESTROY_STATE_DESTROYED;
   widget_delegate_->DeleteDelegate();
   widget_delegate_ = NULL;
 }