MacViews: Exploring removal of window-modal sheets.

chrome/browser/ui/views/extensions/extension_uninstall_dialog_view.cc

 // 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.
 
 #include <memory>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 74 matching lines @@
   base::string16 GetDialogButtonLabel(ui::DialogButton button) const override;
   int GetDefaultDialogButton() const override {
     // Default to accept when triggered via chrome://extensions page.
     return triggered_by_extension_ ?
         ui::DIALOG_BUTTON_CANCEL : ui::DIALOG_BUTTON_OK;
   }
   bool Accept() override;
   bool Cancel() override;
 
   // views::WidgetDelegate:
-  ui::ModalType GetModalType() const override { return ui::MODAL_TYPE_WINDOW; }
+  ui::ModalType GetModalType() const override {
+#if 0 && defined(OS_MACOSX)
+    // Use Tab-Modal on Mac (window-modal uses a "sheet").
+    return ui::MODAL_TYPE_CHILD;
+#else
+    return ui::MODAL_TYPE_WINDOW;
+#endif
+  }
   base::string16 GetWindowTitle() const override;
 
   // views::View:
   gfx::Size GetPreferredSize() const override;
 
   void Layout() override;
 
   ExtensionUninstallDialogViews* dialog_;
 
   views::ImageView* icon_;
@@ skipping 173 matching lines @@
 
 }  // namespace
 
 // static
 extensions::ExtensionUninstallDialog*
 extensions::ExtensionUninstallDialog::Create(Profile* profile,
                                              gfx::NativeWindow parent,
                                              Delegate* delegate) {
   return new ExtensionUninstallDialogViews(profile, parent, delegate);
 }