[WebsiteSettings] Set view to null on manager to ensure no stale access.

chrome/browser/ui/views/website_settings/permissions_bubble_view.cc

Index: chrome/browser/ui/views/website_settings/permissions_bubble_view.cc
diff --git a/chrome/browser/ui/views/website_settings/permissions_bubble_view.cc b/chrome/browser/ui/views/website_settings/permissions_bubble_view.cc
index 6171cd915c9c41bc322fe2706be3c86c4a3c879b..850544b61dcd24aba3330be1bb8bae9f5ff6c3a3 100644
--- a/chrome/browser/ui/views/website_settings/permissions_bubble_view.cc
+++ b/chrome/browser/ui/views/website_settings/permissions_bubble_view.cc
@@ -43,7 +43,7 @@ class PermissionsBubbleDelegateView : public views::BubbleDelegateView,
       bool customization_mode);
   virtual ~PermissionsBubbleDelegateView();
 
-  void ResetOwner();
+  void Close();
   void SizeToContents();
 
   // BubbleDelegateView:
@@ -192,8 +192,9 @@ PermissionsBubbleDelegateView::~PermissionsBubbleDelegateView() {
     owner_->Closing();
 }
 
-void PermissionsBubbleDelegateView::ResetOwner() {
+void PermissionsBubbleDelegateView::Close() {
   owner_ = NULL;
+  GetWidget()->Close();
 }
 
 bool PermissionsBubbleDelegateView::ShouldShowCloseButton() const {
@@ -242,7 +243,10 @@ PermissionBubbleViewViews::PermissionBubbleViewViews(views::View* anchor_view)
       delegate_(NULL),
       bubble_delegate_(NULL) {}
 
-PermissionBubbleViewViews::~PermissionBubbleViewViews() {}
+PermissionBubbleViewViews::~PermissionBubbleViewViews() {
+  if (delegate_)
+    delegate_->SetView(NULL);
+}
 
 void PermissionBubbleViewViews::SetDelegate(Delegate* delegate) {
   delegate_ = delegate;
@@ -252,10 +256,8 @@ void PermissionBubbleViewViews::Show(
     const std::vector<PermissionBubbleRequest*>& requests,
     const std::vector<bool>& values,
     bool customization_mode) {
-  if (bubble_delegate_ != NULL) {
-    bubble_delegate_->ResetOwner();
-    bubble_delegate_->StartFade(false);
-  }
+  if (bubble_delegate_ != NULL)
+    bubble_delegate_->Close();
 
   PermissionsBubbleDelegateView* bubble_delegate =
       new PermissionsBubbleDelegateView(anchor_view_, this,
@@ -269,8 +271,8 @@ void PermissionBubbleViewViews::Show(
 
 void PermissionBubbleViewViews::Hide() {
   if (bubble_delegate_) {
-    bubble_delegate_->ResetOwner();
-    bubble_delegate_->StartFade(false);
+    bubble_delegate_->Close();
+    bubble_delegate_ = NULL;
   }
 }