chrome: Add TabModalConfirmDialog interface.

chrome/browser/ui/tab_modal_confirm_dialog_browsertest_mac.mm

Index: chrome/browser/ui/tab_modal_confirm_dialog_browsertest_mac.mm
diff --git a/chrome/browser/ui/tab_modal_confirm_dialog_browsertest_mac.mm b/chrome/browser/ui/tab_modal_confirm_dialog_browsertest_mac.mm
deleted file mode 100644
index f96240a02ed6161b539ef8a078bf7d6037803ebc..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/tab_modal_confirm_dialog_browsertest_mac.mm
+++ /dev/null
@@ -1,22 +0,0 @@
-// 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 "chrome/browser/ui/tab_modal_confirm_dialog_browsertest.h"
-
-#include "chrome/browser/ui/cocoa/tab_modal_confirm_dialog_mac.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-TabModalConfirmDialog* TabModalConfirmDialogTest::CreateTestDialog(
-    TabModalConfirmDialogDelegate* delegate, TabContents* tab_contents) {
-  return new TabModalConfirmDialogMac(delegate, tab_contents);
-}
-
-void TabModalConfirmDialogTest::CloseDialog(bool accept) {
-  NSWindow* window = [(NSAlert*)dialog_->sheet() window];
-  ASSERT_TRUE(window);
-  ASSERT_TRUE(dialog_->is_sheet_open());
-  [NSApp endSheet:window
-       returnCode:accept ? NSAlertFirstButtonReturn :
-                           NSAlertSecondButtonReturn];
-}