Ensure permission bubble is stacked below the exclusive access bubble.

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/website_settings/permissions_bubble_view.h"
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 387 matching lines @@
   // Set |parent_window| because some valid anchors can become hidden.
   bubble_delegate_->set_parent_window(
       platform_util::GetViewForWindow(browser_->window()->GetNativeWindow()));
 
   views::BubbleDialogDelegateView::CreateBubble(bubble_delegate_)->Show();
   bubble_delegate_->SizeToContents();
 
   bubble_delegate_->UpdateAnchor(GetAnchorView(),
                                  GetAnchorPoint(),
                                  GetAnchorArrow());
+
+  // Ensure this view does not cover over the exclusive access bubble.
+  gfx::NativeView exclusive_access_native_view = GetExclusiveAccessNativeView();
+  if (exclusive_access_native_view)
+    bubble_delegate_->GetWidget()->StackBelow(exclusive_access_native_view);
 }
 
 bool PermissionBubbleViewViews::CanAcceptRequestUpdate() {
   return !(bubble_delegate_ && bubble_delegate_->IsMouseHovered());
 }
 
 void PermissionBubbleViewViews::Hide() {
   if (bubble_delegate_) {
     bubble_delegate_->CloseBubble();
     bubble_delegate_ = nullptr;
@@ skipping 34 matching lines @@
 
 void PermissionBubbleViewViews::Accept() {
   if (delegate_)
     delegate_->Accept();
 }
 
 void PermissionBubbleViewViews::Deny() {
   if (delegate_)
     delegate_->Deny();
 }