MacViews: Unify web contents modal dialog types

chrome/browser/ui/cocoa/constrained_window/constrained_window_mac.h

 // Copyright (c) 2012 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_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_MAC_
 #define CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_MAC_
 
 #import <Cocoa/Cocoa.h>
 
-#include "base/mac/scoped_nsobject.h"
-#include "components/web_modal/native_web_contents_modal_dialog.h"
+#import "chrome/browser/ui/cocoa/modal_dialog_client_cocoa.h"
 
 namespace content {
 class WebContents;
 }
 class ConstrainedWindowMac;
 @protocol ConstrainedWindowSheet;
 
 // A delegate for a constrained window. The delegate is notified when the
 // window closes.
 class ConstrainedWindowMacDelegate {
  public:
   virtual void OnConstrainedWindowClosed(ConstrainedWindowMac* window) = 0;
 };
 
 // Constrained window implementation for Mac.
 // Normally an instance of this class is owned by the delegate. The delegate
 // should delete the instance when the window is closed.
-class ConstrainedWindowMac {
+class ConstrainedWindowMac : public ModalDialogClientCocoa {
  public:
-  ConstrainedWindowMac(
-      ConstrainedWindowMacDelegate* delegate,
-      content::WebContents* web_contents,
-      id<ConstrainedWindowSheet> sheet);
-  virtual ~ConstrainedWindowMac();
+  ConstrainedWindowMac(ConstrainedWindowMacDelegate* delegate,
+                       content::WebContents* web_contents,
+                       id<ConstrainedWindowSheet> sheet);
+  ~ConstrainedWindowMac() override;
 
-  void ShowWebContentsModalDialog();
-  // Closes the constrained window and deletes this instance.
+  // Closes the constrained window.
   void CloseWebContentsModalDialog();
-  void FocusWebContentsModalDialog();
-  void PulseWebContentsModalDialog();
-  web_modal::NativeWebContentsModalDialog GetNativeDialog();
+
+  // ModalDialogClientCocoa overrides.
+  void OnDialogClosing() override;
 
  private:
   ConstrainedWindowMacDelegate* delegate_;  // weak, owns us.
-
-  // The WebContents that owns and constrains this ConstrainedWindowMac. Weak.
-  content::WebContents* web_contents_;
-
-  base::scoped_nsprotocol<id<ConstrainedWindowSheet>> sheet_;
-
-  // This is true if the constrained window has been shown.
-  bool shown_;
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_MAC_