MacViews: Unify web contents modal dialog types

chrome/browser/ui/cocoa/single_web_contents_dialog_manager_cocoa.h

+// Copyright 2015 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_SINGLE_WEB_CONTENTS_DIALOG_MANAGER_COCOA_H_
+#define CHROME_BROWSER_UI_COCOA_SINGLE_WEB_CONTENTS_DIALOG_MANAGER_COCOA_H_
+
+#import "base/mac/scoped_nsobject.h"
+#include "components/web_modal/single_web_contents_dialog_manager.h"
+
+class ConstrainedWindowMac;
+@protocol ConstrainedWindowSheet;
+
+// Cocoa implementation of web_modal::SingleWebContentsDialogManager.
+class SingleWebContentsDialogManagerCocoa
+    : public web_modal::SingleWebContentsDialogManager {
+ public:
+  SingleWebContentsDialogManagerCocoa(
+      ConstrainedWindowMac* client,
+      id<ConstrainedWindowSheet> sheet,
+      web_modal::SingleWebContentsDialogManagerDelegate* delegate);
+  ~SingleWebContentsDialogManagerCocoa() override;
+
+  // SingleWebContentsDialogManager overrides.
+  void Show() override;
+  void Hide() override;
+  void Close() override;
+  void Focus() override;
+  void Pulse() override;
+  void HostChanged(web_modal::WebContentsModalDialogHost* new_host) override;
+  web_modal::NativeWebContentsModalDialog dialog() override;
+
+ private:
+  ConstrainedWindowMac* client_;  // Weak. Can be null.
+  base::scoped_nsprotocol<id<ConstrainedWindowSheet>> sheet_;
+  // Weak. Owns this.
+  web_modal::SingleWebContentsDialogManagerDelegate* delegate_;
+  bool shown_;
+
+  DISALLOW_COPY_AND_ASSIGN(SingleWebContentsDialogManagerCocoa);
+};
+
+#endif  // CHROME_BROWSER_UI_COCOA_SINGLE_WEB_CONTENTS_DIALOG_MANAGER_COCOA_H_