Ensure permission bubble is stacked below the exclusive access bubble.

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

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_WEBSITE_SETTINGS_PERMISSIONS_BUBBLE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_WEBSITE_SETTINGS_PERMISSIONS_BUBBLE_VIEW_H_
 
 #include <memory>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "chrome/browser/ui/website_settings/permission_bubble_view.h"
 #include "ui/gfx/geometry/point.h"
+#include "ui/gfx/native_widget_types.h"
 #include "ui/views/bubble/bubble_border.h"
 
 namespace views {
 class View;
 }
 
 class Browser;
 class PermissionsBubbleDialogDelegateView;
 
 class PermissionBubbleViewViews : public PermissionBubbleView {
@@ skipping 10 matching lines @@
   bool IsVisible() override;
   void UpdateAnchorPosition() override;
   gfx::NativeWindow GetNativeWindow() override;
 
   void Closing();
   void Toggle(int index, bool value);
   void Accept();
   void Deny();
 
  private:
-  // These three functions have separate implementations for Views-based and
+  // These four methods have separate implementations for Views-based and
   // Cocoa-based browsers, to allow this bubble to be used in either.
   views::View* GetAnchorView();
   gfx::Point GetAnchorPoint();
   views::BubbleBorder::Arrow GetAnchorArrow();
+  gfx::NativeView GetExclusiveAccessNativeView();
 
   Browser* browser_;
   Delegate* delegate_;
   PermissionsBubbleDialogDelegateView* bubble_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(PermissionBubbleViewViews);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_WEBSITE_SETTINGS_PERMISSIONS_BUBBLE_VIEW_H_