Update BaseBubbleController's dealloc function to use

chrome/browser/ui/cocoa/website_settings/permission_bubble_controller.mm

Index: chrome/browser/ui/cocoa/website_settings/permission_bubble_controller.mm
diff --git a/chrome/browser/ui/cocoa/website_settings/permission_bubble_controller.mm b/chrome/browser/ui/cocoa/website_settings/permission_bubble_controller.mm
index 9b57585f54115f7b6386b460fd17ad14f4c5e206..b9b7ffb76ccea836dc317cb2a50bb542d2d4c7f5 100644
--- a/chrome/browser/ui/cocoa/website_settings/permission_bubble_controller.mm
+++ b/chrome/browser/ui/cocoa/website_settings/permission_bubble_controller.mm
@@ -254,6 +254,7 @@ class MenuDelegate : public ui::SimpleMenuModel::Delegate {
 }
 
 - (void)windowWillClose:(NSNotification*)notification {
+  [[NSNotificationCenter defaultCenter] removeObserver:self];

[Robert Sesek, 2015/12/15 15:19:36]

This should be for only the specific notification registered above, using
-removeObserver:name:object: (pass nil as the object though), not for all
notifications (as the superclass may have registered others).

[juncai, 2015/12/15 17:43:55]

Done.

   bridge_->OnBubbleClosing();
   [super windowWillClose:notification];
 }