Refactor modality-specific behavior from ConstrainedWindowViews to WebContentsModalDialogManager

chrome/browser/ui/native_web_contents_modal_dialog_manager.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_NATIVE_WEB_CONTENTS_MODAL_DIALOG_MANAGER_H_
+#define CHROME_BROWSER_UI_NATIVE_WEB_CONTENTS_MODAL_DIALOG_MANAGER_H_
+
+#include "ui/gfx/native_widget_types.h"
+
+// Provides an interface for platform-specific UI implementation for the web
+// contents modal dialog.
+class NativeWebContentsModalDialogManager {
+ public:
+  NativeWebContentsModalDialogManager() {}
+  virtual ~NativeWebContentsModalDialogManager() {}
+
+  // Starts management of the modal aspects of the dialog.  This function should
+  // also register to be notified when the dialog is closing, so that it can
+  // notify the manager.
+  virtual void ManageDialog(gfx::NativeWindow window) = 0;
+
+  // Closes the web contents modal dialog.
+  virtual void CloseDialog(gfx::NativeWindow window) = 0;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(NativeWebContentsModalDialogManager);
+};
+
+#endif  // CHROME_BROWSER_UI_NATIVE_WEB_CONTENTS_MODAL_DIALOG_MANAGER_H_